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history+of+photography

  • 21 Dancer, John Benjamin

    [br]
    b. 1812 England
    d. 1887 England
    [br]
    English instrument maker and photographer, pioneer of microphotography.
    [br]
    The son of a scientific instrument maker, Dancer was educated privately in Liverpool, where from 1817 his father practised his trade. John Benjamin became a skilled instrument maker in his own right, assisting in the family business until his father's death in 1835. He set up on his own in Liverpool in 1840 and in Manchester in 1841. In the course of his career Dancer made instruments for several of the leading scientists of the day, his clients including Brewster, Dalton and Joule.
    Dancer became interested in photography as soon as the new art was announced in 1839 and practised the processes of both Talbot and Daguerre. It was later claimed that as early as 1839 he used an achromatic lens combination to produce a minute image on a daguerreotype plate, arguably the world's first microphotograph and the precursor of modern microfilm. It was not until the introduction of Archer's wet-collodion process in 1851 that Dancer was able to perfect the technique however. He went on to market a long series of microphotographs which proved extremely popular with both the public and contemporary photographers. It was examples of Dancer's microphotographs that prompted the French photographer Dagron to begin his work in the same field. In 1853 Dancer constructed a binocular stereoscopic camera, the first practicable instrument of its type. In an improved form it was patented and marketed in 1856.
    Dancer also made important contributions to the magic lantern. He was the first to suggest the use of limelight as an illuminant, pioneered the use of photographic lantern slides and devised an ingenious means of switching gas from one lantern illuminant to another to produce what were known as dissolving views. He was a resourceful innovator in other fields of instrumentation and suggested several other minor improvements to scientific apparatus before his working life was sadly terminated by the loss of his sight.
    [br]
    Further Reading
    Anon., 1973, "John Benjamin Dancer, originator of microphotography", British Journal of Photography (16 February): 139–41.
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > Dancer, John Benjamin

  • 22 Fizeau, Armand Hippolyte Louis

    [br]
    b. 23 September 1819 Paris, France
    d. 18 September 1896 Nanteuil-le-Haudouin, France
    [br]
    French physicist who introduced early improvements to the daguerreotype process.
    [br]
    Fizeau's interest in photography was comparatively brief, but during this period he was at the forefront of French attempts to explore and exploit the potential of the recently announced daguerreotype process (see Daguerre). Fizeau is best remembered for his introduction in August 1840 of the practice of gold-toning daguerreotypes. This improvement not only helped protect the delicate surface of the plate from abrasion and tarnishing, but also enhanced the quality of the image. The technique was not patented and was immediately adopted by all daguerreotypists. Between 1839 and 1841, in association with Alfred Donné, Fizeau conducted experiments with the aim of converting daguerreotypes into printing plates. Prints from two of his plates were published in 1842, but the technique was never widely practised. In association with J.B.Léon Foucault, Fizeau discovered the reciprocity failure of daguerreotypes, and the same partnership produced what were probably the first daguerreotypes of the sun. Fizeau is best known in physics for making the first accurate determination of the speed of light, in 1849.
    [br]
    Further Reading
    W.H.Thornthwaite, 1843, Photographic Manipulation, London (provides details of Fizeau's gold-toning process).
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London (a more general account of Fizeau's contributions to photography).
    JW

    Biographical history of technology > Fizeau, Armand Hippolyte Louis

  • 23 Bayard, Hippolyte

    [br]
    b. 1801 Breteuil-sur-Noye, France d. 1887
    [br]
    French photographer, inventor of an early direct positive paper process.
    [br]
    Educated as a notary's clerk, Bayard began his working life in Paris in the Ministry of Finance. His interest in art led him to investigations into the chemical action of light, and he began his experiments in 1837. In May 1839 Bayard described an original photographic process which produced direct positive images on paper. It was devised independently of Talbot and before details of Daguerre's process had been published. During the same period, similar techniques were announced by other investigators and Bayard became involved in a series of priority disputes. Bayard's photographs were well received when first exhibited, and examples survive to the present day. Because the process required long exposure times it was rarely practised, but Bayard is generally credited with being an independent inventor of photography.
    [br]
    Bibliography
    1840, Comptes rendus (24 February): 337 (the first published details of Bayard's process).
    Further Reading
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > Bayard, Hippolyte

  • 24 Claudet, Antoine François Jean

    [br]
    b. 12 August 1797 France
    d. 27 December 1867 London, England
    [br]
    French pioneer photographer and photographic inventor in England.
    [br]
    He began his working life in banking but soon went into glassmaking and in 1829 he moved to London to open a glass warehouse. On hearing of the first practicable photographic processes in 1834, Claudet visited Paris, where he received instruction in the daguerreotype process from the inventor Daguerre, and purchased a licence to operate in England. On returning to London he began to sell daguerreotype views of Paris and Rome, but was soon taking and selling his own views of London. At this time exposures could take as long as thirty minutes and portraiture from life was impracticable. Claudet was fascinated by the possibilities of the daguerreotype and embarked on experiments to improve the process. In 1841 he published details of an accelerated process and took out a patent proposing the use of flat painted backgrounds and a red light in dark-rooms. In June of that year Claudet opened the second daguerreotype portrait studio in London, just three months after his rival, Richard Beard. He took stereoscopic photographs for Wheatstone as early as 1842, although it was not until the 1850s that stereoscopy became a major interest. He suggested and patented several improvements to viewers derived from Brewster's pattern.
    Claudet was also one of the first photographers to practise professionally Talbot's calotype process. He became a personal friend of Talbot, one of the few from whom the inventor was prepared to accept advice. Claudet died suddenly in London following an accident that occurred when he was alighting from an omnibus. A memoir produced shortly after his death lists over forty scientific papers relating to his researches into photography.
    [br]
    Principal Honours and Distinctions
    FRS 1853.
    Further Reading
    "The late M.Claudet", 1868, Photographic News 12:3 (obituary).
    "A.Claudet, FRS, a memoir", 1968, (reprinted from The Scientific Review), London: British Association (a fulsome but valuable Victorian view of Claudet).
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London (a comprehensive account of Claudet's daguerreotype work).
    H.J.P.Arnold, 1977, William Henry Fox Talbot, London (provides details of Claudet's relationship with Talbot).
    JW

    Biographical history of technology > Claudet, Antoine François Jean

  • 25 Dagron, Prudent René-Patrice

    [br]
    b. 1819 Beaumont, France
    d. June 1900 Paris, France
    [br]
    French photographer who specialized in microphotography.
    [br]
    Dagron studied chemistry, but little else is known of his early career. He was the proprietor of a Paris shop selling stationery and office equipment in 1860, when he proposed making microscopic photographs mounted in jewellery. Dagron went on to produce examples using equipment constructed by the optician Debozcq. In 1864 Dagron became one of the celebrities of the day when he recorded 450 portraits on a single photograph that measured 1 mm3. The image was viewed by means of a tiny magnifying lens popularly known as a "Stanhope" after its supposed inventor, the English Lord Charles Stanhope. The great demand for Stanhoped jewellery soon allowed Dagron to build a factory for its manufacture. Dagron's main claim to fame rests on his work during the Franco-Prussian War. At the siege of Paris, Dagron was ballooned out of the city to organize a carrier-pigeon communication service. Thousands of microphotographed dispatches could be carried by a single pigeon, and Dagron set up a regular service between Paris and Tours. In Paris the messages from the outside world were enlarged and projected onto a white wall and transcribed by a team of clerks. After the war, Dagron dabbled in aerial photography from balloons, but his interest in microphotography continued until his death in 1900.
    [br]
    Further Reading
    G.Tissandier, 1874, Les Merveilles de la photographie, Paris (a contemporary account of Dagron's work during the siege of Paris).
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > Dagron, Prudent René-Patrice

  • 26 England, William

    [br]
    b. early 19th century
    d. 1896 London, England
    [br]
    English photographer, inventor of an early focal-plane shutter.
    [br]
    England began his distinguished photographic career taking daguerreotype portraits in London in the 1840s. In 1854 he joined the London Stereoscopic Company and became its chief photographer, taking thousands of stereoscopic views all over the world. In 1859 he travelled to America to take views of the Niagara Falls. On returning to Britain he became a freelance photographer, adding to his considerable reputation with a long series of stereoscopic alpine views. He also became interested in panoramic photography and, later, photolithography. England's most important technical innovation was a drop shutter with a horizontal slit sited immediately in front of the plate. Proposed in 1861, this was a crude device, but is usually recognized as the precursor of the modern focal-plane shutter.
    [br]
    Further Reading
    Michael Aver, 1985, Photographers Encyclopedia International, Vol. I (A-K), Hermance, Switzerland.
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > England, William

  • 27 Hunt, Robert

    [br]
    b. 6 September 1807 Devonport, Devon, England
    d. 19 March 1887 England
    [br]
    English photographic pioneer and writer.
    [br]
    A chemist by training, Hunt took an early interest in photography and during the 1840s devised several original photographic processes and techniques. The properties of iron sulphate as a developing agent, widely used by wet-collodion photographers, were first described by Hunt in 1844. He was a prolific author and it was as a writer that he was most influential. In 1841 he published the first substantial English-language photographic manual, a work that was to run to six editions. Perhaps his most important work was his Researches on Light, first published in 1844, with a second edition containing considerable additional material appearing in 1854. In 1851 Hunt was appointed Professor of Mechanical Science at the Royal School of Mines in London. He was a founder member of the London (later Royal) Photographic Society in 1853.
    [br]
    Principal Honours and Distinctions
    Member of the Royal Society 1854.
    Further Reading
    C.Thomas, 1988, Views and Likenesses, Truro: Royal Institution of Cornwall (a brief account of Hunt's life and work).
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > Hunt, Robert

  • 28 Voigtländer, Peter Wilhelm Friedrich

    [br]
    b. 1812 Vienna, Austria d. 1878
    [br]
    Austrian manufacturer of the first purpose-designed photographic objective; key member of a dynasty of optical instrument makers.
    [br]
    Educated at the Polytechnic Institute in Vienna, Voigtländer travelled widely before taking over the family business in 1837. The business had been founded by Voigtländer's grandfather in 1756, and was continued by his father, Johann Friedrich, the inventor of the opera glass, and by the 1830s enjoyed one of the highest reputations in Europe. When Petzval made the calculations for the first purpose-designed photographic objective in 1840, it was inevitable that he should go to Peter Voigtländer for advice. The business went on to manufacture Petzval's lens, which was also fitted to an all-metal camera of totally original design by Voigtländer.
    The Petzval lens was an extraordinary commercial success and Voigtländer sold specimens all over the world. Unfortunately Petzval had no formal agreement with Voigtländer and made little financial gain from his design, a fact which was to lead to dispute and separation; the Voigtländer concern continued to prosper, however. To meet the increasing demand for his products, Peter Voigtländer built a new factory in Brunswick and closed the business in Vienna. The closure is seen by at least one commentator as the death blow to Vienna's optical industry, a field in which it was once preeminent. The Voigtländer dynasty continued long after Peter's death and the name enjoyed a reputation for high-quality photographic equipment well into the twentieth century.
    [br]
    Principal Honours and Distinctions
    Hereditary Peerage bestowed by the Emperor of Austria 1868.
    Further Reading
    L.W.Sipley, 1965, Photography's Great Inventors, Philadelphia (a brief biography). J.M.Eder, 1945, History of Photography, trans. E.Epstean, New York.
    JW

    Biographical history of technology > Voigtländer, Peter Wilhelm Friedrich

  • 29 Blanquart-Evrard, Louis-Désiré

    [br]
    b. 2 August 1802 Lille, France
    d. 28 April 1872 Lille, France
    [br]
    French photographer, photographic innovator and entrepreneur.
    [br]
    After beginning his working life in a tobacco company, Blanquart-Evrard became Laboratory Assistant to a chemist. He also became interested in painting on ivory and porcelain, foreshadowing a life-long interest in science and art. Following his marriage to the daughter of a textile merchant, Blanquart-Evrard became a partner in the family business in Lyon. During the 1840s he became interested in Talbot's calotype process and found that by applying gallic acid alone, as a developing agent after exposure, the exposure time could be shorter and the resulting image clearer. Blanquart-Evrard recognized that his process was well suited to producing positive prints in large numbers. During 1851 and 1852, in association with an artist friend, he became involved in producing quantities of prints for book illustrations. In 1849 he had announced a glass negative process similar to that devised two years earlier by Niepcc de St Victor. The carrying agent for silver salts was albumen, and more far-reaching was his albumen-coated printing-out paper announced in 1850. Albumen printing paper was widely adopted and the vast majority of photographs made in the nineteenth century were printed in this form. In 1870 Blanquart-Evrard began an association with the pioneer colour photographer Ducos du Hauron with a view to opening a three-colour printing establishment. Unfortunately plans were delayed by the Franco-Prussian War, and Blanquart-Evrard died in 1872 before the project could be brought to fruition.
    [br]
    Bibliography
    1851, Traité de photographie sur papier, Paris (provides details of his improvements to Talbot's process).
    Further Reading
    J.M.Eder, 1945, History of Photography, trans. E. Epstein, New York.
    JW

    Biographical history of technology > Blanquart-Evrard, Louis-Désiré

  • 30 Chevalier, Charles-Louis

    [br]
    b. 18 April 1804 France
    d. 21 November 1859 Paris, France
    [br]
    French instrument maker and optician.
    [br]
    The son of a distinguished Parisian instrument maker, Charles Chevalier supplied equipment to all the major photographic pioneers of the period. He sold a camera obscura to Niepce de St Victor as early as 1826 and was largely responsible for bringing Niepce de St Victor and Daguerre together. Chevalier was one of the first opticians to design lenses specifically for photographic use; the first photographic camera to be offered for sale to the public, the Giroux daguerreotype camera of 1839, was in fact fitted with a Chevalier achromatic lens. Chevalier also supplied lenses, equipment and examples of daguerreotypes to Talbot in England. In 1841 Chevalier was awarded first prize in a competition for the improvement of photographic lenses, sponsored by the Société d'Encouragement of Paris. Contemporary opinion, however, favoured the runner-up, the Petzval Portrait lens by Voigtländer of Vienna, and Chevalier subsequently became embroiled in an acrimonious dispute which did him little credit. It did not stop him designing lenses, and he went on to become an extremely successful supplier of quality daguerreotype equipment. He was a founder member of the Société Héliographique in 1851.
    [br]
    Further Reading
    Pavillon de Photographie du Parc Naturel Régional de Brotonne, 1974, Charles-Louis Chevalier (an authoritative account of Chevalier's life and work).
    H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.
    JW

    Biographical history of technology > Chevalier, Charles-Louis

  • 31 VPH

    2) Военный термин: Video Phase History, vertical photography
    3) Техника: viscosity pole height
    4) Ветеринария: Veterinary Public Health Conference
    5) Электроника: Volume-Phase Holographic gratings
    6) Силикатное производство: Vickers pyramid hardness
    7) Полимеры: Vickers pyramid hardness number (N)
    8) Расширение файла: Virtual Pascal Help file

    Универсальный англо-русский словарь > VPH

  • 32 vph

    2) Военный термин: Video Phase History, vertical photography
    3) Техника: viscosity pole height
    4) Ветеринария: Veterinary Public Health Conference
    5) Электроника: Volume-Phase Holographic gratings
    6) Силикатное производство: Vickers pyramid hardness
    7) Полимеры: Vickers pyramid hardness number (N)
    8) Расширение файла: Virtual Pascal Help file

    Универсальный англо-русский словарь > vph

  • 33 Meisenbach, Georg

    SUBJECT AREA: Paper and printing
    [br]
    b. 1841 Nuremberg, Germany
    d. 12 December 1912 Munich, Germany
    [br]
    German engraver, inventor of the first commercially exploitable halftone printing process.
    [br]
    Trained in Nuremberg as a copper-plate engraver, Meisenbach moved to Munich in 1873 and established the first zincographic engraving business in Germany. In 1879 he began experimenting with halftone reproductions and in May 1882 he took out a German patent which described a single-line screen made from the proof of an engraved plate ruled with lines. The screen was then placed before a photographic positive of a picture and the two were photographed together. Approximately half-way through the exposure the screen was turned 90 degrees so that the lines crossed. A halftone negative was thus produced, from which could be made a zinc printing block. The full details of the process were not revealed in the patent so that trade competition would be limited. It was the first commercially practicable halftone process. Ill health forced Meisenbach to retire from the business in 1891, by which time his process was being superseded by Ives's cross-line process.
    [br]
    Bibliography
    May 1882, German patent no. 22,444 (halftone printing process). 1882, British patent no. 2,156.
    Further Reading
    J.M.Eder, 1945, History of Photography, trans. E.Epstean, New York.
    G.Wakeman, 1973, Victorian Book Illustration (a popular account of the introduction of halftone to England).
    JW

    Biographical history of technology > Meisenbach, Georg

  • 34 Ducos du Hauron, Arthur-Louis

    [br]
    b. 1837 Langon, Bordeaux, France
    d. 19 August 1920 Agen, France
    [br]
    French scientist and pioneer of colour photography.
    [br]
    The son of a tax collector, Ducos du Hauron began researches into colour photography soon after the publication of Clerk Maxwell's experiment in 1861. In a communication sent in 1862 for presentation at the Académie des Sciences, but which was never read, he outlined a number of methods for photography of colours. Subsequently, in his book Les Couleurs en photographie, published in 1869, he outlined most of the principles of additive and subtractive colour photography that were later actually used. He covered additive processes, developed from Clerk Maxwell's demonstrations, and subtractive processes which could yield prints. At the time, the photographic materials available prevented the processes from being employed effectively. The design of his Chromoscope, in which transparent reflectors could be used to superimpose three additive images, was sound, however, and formed the basis of a number of later devices. He also proposed an additive system based on the use of a screen of fine red, yellow and blue lines, through which the photograph was taken and viewed. The lines blended additively when seen from a certain distance. Many years later, in 1907, Ducos du Hauron was to use this principle in an early commercial screen-plate process, Omnicolore. With his brother Alcide, he published a further work in 1878, Photographie des Couleurs, which described some more-practical subtractive processes. A few prints made at this time still survive and they are remarkably good for the period. In a French patent of 1895 he described yet another method for colour photography. His "polyfolium chromodialytique" involved a multiple-layer package of separate red-, green-and blue-sensitive materials and filters, which with a single exposure would analyse the scene in terms of the three primary colours. The individual layers would be separated for subsequent processing and printing. In a refined form, this is the principle behind modern colour films. In 1891 he patented and demonstrated the anaglyph method of stereoscopy, using superimposed red and green left and right eye images viewed through green and red filters. Ducos du Hauron's remarkable achievement was to propose theories of virtually all the basic methods of colour photography at a time when photographic materials were not adequate for the purpose of proving them correct. For his work on colour photography he was awarded the Progress Medal of the Royal Photographic Society in 1900, but despite his major contributions to colour photography he remained in poverty for much of his later life.
    [br]
    Further Reading
    B.Coe, 1978, Colour Photography: The First Hundred Years, London. J.S.Friedman, 1944, History of Colour Photography, Boston. E.J.Wall, 1925, The History of Three-Colour Photography, Boston. See also Cros, Charles.
    BC

    Biographical history of technology > Ducos du Hauron, Arthur-Louis

  • 35 Ives, Frederic Eugene

    [br]
    b. 17 February 1856 Litchfield, Connecticut, USA
    d. 27 May 1937 Philadelphia, Pennsylvania, USA
    [br]
    American printer who pioneered the development of photomechanical and colour photographic processes.
    [br]
    Ives trained as a printer in Ithaca, New York, and became official photographer at Cornell University at the age of 18. His research into photomechanical processes led in 1886 to methods of making halftone reproduction of photographs using crossline screens. In 1881 he was the first to make a three-colour print from relief halftone blocks. He made significant contributions to the early development of colour photography, and from 1888 he published and marketed a number of systems for the production of additive colour photographs. He designed a beam-splitting camera in which a single lens exposed three negatives through red, green and blue filters. Black and white transparencies from these negatives were viewed in a device fitted with internal reflectors and filters, which combined the three colour separations into one full-colour image. This device was marketed in 1895 under the name Kromskop; sets of Kromograms were available commercially, and special cameras, or adaptors for conventional cameras, were available for photographers who wished to take their own colour pictures. A Lantern Kromskop was available for the projection of Kromskop pictures. Ives's system enjoyed a few years of commercial success before simpler methods of making colour photographs rendered it obsolete. Ives continued research into colour photography; his later achievements included the design, in 1915, of the Hicro process, in which a simple camera produced sets of separation negatives that could be printed as dyed transparencies in complementary colours and assembled in register on paper to produce colour prints. Later, in 1932, he introduced Polychrome, a simpler, two-colour process in which a bipack of two thin negative plates or films could be exposed in conventional cameras. Ives's interest extended into other fields, notably stereoscopy. He developed a successful parallax stereogram process in 1903, in which a three-dimensional image could be seen directly, without the use of viewing devices. In his lifetime he received many honours, and was a recipient of the Royal Photographic Society's Progress Medal in 1903 for his work in colour photography.
    [br]
    Further Reading
    B.Coe, 1978, Colour Photography: The First Hundred Years, London J.S.Friedman, 1944, History of Colour Photography, Boston. G.Koshofer, 1981, Farbfotografie, Vol. I, Munich.
    BC

    Biographical history of technology > Ives, Frederic Eugene

  • 36 Cros, Charles

    [br]
    b. 1842 France
    d. 1888
    [br]
    French doctor, painter and man of letters who pioneered research into colour photography.
    [br]
    A man of considerable intellect, Cros occupied himself with studies of topics as diverse as Sanskrit and the synthesis of precious stones. He was in particular interested in the possibility of colour photography, and deposited an account of his theories in a sealed envelope with the Académie des Sciences on 2 December 1867, with instructions that it should be opened in 1876. Learning of a forthcoming presentation on colour photography by Ducos du Hauron at the Société Française de Photographie, he arranged for the contents of his communication to be published on 25 February 1869 in Les Mondes. At the Société's meeting on 7 May 1869, Cros's letter was read and samples of colour photography from Ducos du Hauron were shown. Both had arrived at similar conclusions: that colour photography was possible with the analysis of colours using negatives exposed through red, green and blue filters, as demonstrated by Clerk Maxwell in 1861. These records could be reproduced by combining positive images produced in blue-green, magenta and yellow pigments or dyes. Cros and Ducos du Hauron had discovered the principle of subtractive colour photography, which is used in the late twentieth century. In 1878 Cros designed the Chromometre, a device for measuring colours by mixing red, green and blue light, and described the device in a paper to the Société Française de Photographie on 10 January 1879. With suitable modification, the device could be used as a viewer for colour photographs, combining red, green and blue positives. In 1880 he patented the principle of imbibition printing, in which dye taken up by a gelatine relief image could be transferred to another support. This principle, which he called hydrotypie, readily made possible the production of three-colour subtractive photographic prints.
    [br]
    Further Reading
    J.S.Friedman, 1944, History of Colour Photography, Boston. Gert Koshofer, 1981, Farbefotografie, Vol. I, Munich.
    BC

    Biographical history of technology > Cros, Charles

  • 37 fotografía de cine

    Ex. The author traces the history behind cinematic photography and film stills.
    * * *

    Ex: The author traces the history behind cinematic photography and film stills.

    Spanish-English dictionary > fotografía de cine

  • 38 Marey, Etienne-Jules

    [br]
    b. 5 March 1830 Beaune, France
    d. 15 May 1904 Paris, France
    [br]
    French physiologist and pioneer of chronophotography.
    [br]
    At the age of 19 Marey went to Paris to study medicine, becoming particularly interested in the problems of the circulation of the blood. In an early communication to the Académie des Sciences he described a much improved device for recording the pulse, the sphygmograph, in which the beats were recorded on a smoked plate. Most of his subsequent work was concerned with methods of recording movement: to study the movement of the horse, he used pneumatic sensors on each hoof to record traces on a smoked drum; this device became known as the Marey recording tambour. His attempts to study the wing movements of a bird in flight in the same way met with limited success since the recording system interfered with free movement. Reading in 1878 of Muybridge's work in America using sequence photography to study animal movement, Marey considered the use of photography himself. In 1882 he developed an idea first used by the astronomer Janssen: a camera in which a series of exposures could be made on a circular photographic plate. Marey's "photographic gun" was rifle shaped and could expose twelve pictures in approximately one second on a circular plate. With this device he was able to study wing movements of birds in free flight. The camera was limited in that it could record only a small number of images, and in the summer of 1882 he developed a new camera, when the French government gave him a grant to set up a physiological research station on land provided by the Parisian authorities near the Porte d'Auteuil. The new design used a fixed plate, on which a series of images were recorded through a rotating shutter. Looking rather like the results provided by a modern stroboscope flash device, the images were partially superimposed if the subject was slow moving, or separated if it was fast. His human subjects were dressed all in white and moved against a black background. An alternative was to dress the subject in black, with highly reflective strips and points along limbs and at joints, to produce a graphic record of the relationships of the parts of the body during action. A one-second-sweep timing clock was included in the scene to enable the precise interval between exposures to be assessed. The fixed-plate cameras were used with considerable success, but the number of individual records on each plate was still limited. With the appearance of Eastman's Kodak roll-film camera in France in September 1888, Marey designed a new camera to use the long rolls of paper film. He described the new apparatus to the Académie des Sciences on 8 October 1888, and three weeks later showed a band of images taken with it at the rate of 20 per second. This camera and its subsequent improvements were the first true cinematographic cameras. The arrival of Eastman's celluloid film late in 1889 made Marey's camera even more practical, and for over a decade the Physiological Research Station made hundreds of sequence studies of animals and humans in motion, at rates of up to 100 pictures per second. Marey pioneered the scientific study of movement using film cameras, introducing techniques of time-lapse, frame-by-frame and slow-motion analysis, macro-and micro-cinematography, superimposed timing clocks, studies of airflow using smoke streams, and other methods still in use in the 1990s. Appointed Professor of Natural History at the Collège de France in 1870, he headed the Institut Marey founded in 1898 to continue these studies. After Marey's death in 1904, the research continued under the direction of his associate Lucien Bull, who developed many new techniques, notably ultra-high-speed cinematography.
    [br]
    Principal Honours and Distinctions
    Foreign member of the Royal Society 1898. President, Académie des Sciences 1895.
    Bibliography
    1860–1904, Comptes rendus de l'Académie des Sciences de Paris.
    1873, La Machine animale, Paris 1874, Animal Mechanism, London.
    1893, Die Chronophotographie, Berlin. 1894, Le Mouvement, Paris.
    1895, Movement, London.
    1899, La Chronophotographie, Paris.
    Further Reading
    ——1992, Muybridge and the Chronophotographers, London. Jacques Deslandes, 1966, Histoire comparée du cinéma, Vol. I, Paris.
    BC / MG

    Biographical history of technology > Marey, Etienne-Jules

  • 39 Lumière, Auguste

    [br]
    b. 19 October 1862 Besançon, France
    d. 10 April 1954 Lyon, France
    [br]
    French scientist and inventor.
    [br]
    Auguste and his brother Louis Lumière (b. 5 October 1864 Besançon, France; d. 6 June 1948 Bandol, France) developed the photographic plate-making business founded by their father, Charles Antoine Lumière, at Lyons, extending production to roll-film manufacture in 1887. In the summer of 1894 their father brought to the factory a piece of Edison kinetoscope film, and said that they should produce films for the French owners of the new moving-picture machine. To do this, of course, a camera was needed; Louis was chiefly responsible for the design, which used an intermittent claw for driving the film, inspired by a sewing-machine mechanism. The machine was patented on 13 February 1895, and it was shown on 22 March 1895 at the Société d'Encouragement pour l'In-dustrie Nationale in Paris, with a projected film showing workers leaving the Lyons factory. Further demonstrations followed at the Sorbonne, and in Lyons during the Congrès des Sociétés de Photographie in June 1895. The Lumières filmed the delegates returning from an excursion, and showed the film to the Congrès the next day. To bring the Cinématographe, as it was called, to the public, the basement of the Grand Café in the Boulevard des Capuchines in Paris was rented, and on Saturday 28 December 1895 the first regular presentations of projected pictures to a paying public took place. The half-hour shows were an immediate success, and in a few months Lumière Cinématographes were seen throughout the world.
    The other principal area of achievement by the Lumière brothers was colour photography. They took up Lippman's method of interference colour photography, developing special grainless emulsions, and early in 1893 demonstrated their results by lighting them with an arc lamp and projecting them on to a screen. In 1895 they patented a method of subtractive colour photography involving printing the colour separations on bichromated gelatine glue sheets, which were then dyed and assembled in register, on paper for prints or bound between glass for transparencies. Their most successful colour process was based upon the colour-mosaic principle. In 1904 they described a process in which microscopic grains of potato starch, dyed red, green and blue, were scattered on a freshly varnished glass plate. When dried the mosaic was coated with varnish and then with a panchromatic emulsion. The plate was exposed with the mosaic towards the lens, and after reversal processing a colour transparency was produced. The process was launched commercially in 1907 under the name Autochrome; it was the first fully practical single-plate colour process to reach the public, remaining on the market until the 1930s, when it was followed by a film version using the same principle.
    Auguste and Louis received the Progress Medal of the Royal Photographic Society in 1909 for their work in colour photography. Auguste was also much involved in biological science and, having founded the Clinique Auguste Lumière, spent many of his later years working in the physiological laboratory.
    [br]
    Further Reading
    Guy Borgé, 1980, Prestige de la photographie, Nos. 8, 9 and 10, Paris. Brian Coe, 1978, Colour Photography: The First Hundred Years, London ——1981, The History of Movie Photography, London.
    Jacques Deslandes, 1966, Histoire comparée du cinéma, Vol. I, Paris. Gert Koshofer, 1981, Farbfotografie, Vol. I, Munich.
    BC

    Biographical history of technology > Lumière, Auguste

  • 40 trick

    trik
    1. noun
    1) (something which is done, said etc in order to cheat or deceive someone, and sometimes to frighten them or make them appear stupid: The message was just a trick to get her to leave the room.) truco, trampa, engaño
    2) (a clever or skilful action (to amuse etc): The magician performed some clever tricks.) truco

    2. adjective
    (intended to deceive or give a certain illusion: trick photography.) trucado
    - trickster
    - tricky
    - trickily
    - trickiness
    - trick question
    - do the trick
    - play a trick / tricks on
    - a trick of the trade
    - trick or treat!

    trick1 n
    1. engaño / trampa
    he lied to me, it was all a trick me mintió, todo era un engaño
    2. truco / número
    trick2 vb engañar
    he tried to trick me, but I was too clever for him intentó engañarme, pero fui demasiado listo
    tr[trɪk]
    1 (skill, knack) truco
    2 (for entertainment) truco, juego de manos; (with cards) juego de naipes; (by animals) número
    3 (deception, ruse) ardid nombre masculino, engaño, trampa, truco
    4 (prank, joke) broma
    6 (habit) hábito, costumbre nombre femenino, manía
    1 de juguete, de mentira
    1 (deceive) engañar, burlar
    \
    SMALLIDIOMATIC EXPRESSION/SMALL
    every trick in the book todos los trucos
    how's tricks? ¿cómo van las cosas?, ¿qué tal?
    never to miss a trick no perderse nada
    to be up to one's tricks hacer de las suyas
    to do the trick funcionar, ser la solución
    to have a trick up one's sleeve guardarse un as en la manga
    to play a dirty trick on somebody jugar una mala pasada a alguien
    to trick somebody into doing something engañar a alguien para que haga algo
    to trick somebody out of something estafar a alguien, timar a alguien
    trick or treat SMALLAMERICAN ENGLISH/SMALL frase de los niños que en Halloween van por las casas pidiendo un regalo a cambio de no hacer una jugarreta
    trick of the trade truco del oficio
    trick photograph fotografía trucada
    trick question pregunta capciosa
    trick ['trɪk] vt
    : engañar, embaucar
    1) ruse: trampa f, treta f, artimaña f
    2) prank: broma f
    we played a trick on her: le gastamos una broma
    3) : truco m
    magic tricks: trucos de magia
    the trick is to wait five minutes: el truco está en esperar cinco minutos
    4) mannerism: peculiaridad f, manía f
    5) : baza f (en juegos de naipes)
    v.
    burlar v.
    capear v.
    embaucar v.
    embaír v.
    embudar v.
    engañar v.
    entrampar v.
    entruchar v.
    pelar v.
    petardear v.
    trampear v.
    n.
    baza (Naipes) s.f.
    burla s.f.
    burlería s.f.
    chasco s.m.
    engaño s.m.
    ilusión s.f.
    juego de manos s.m.
    treta s.f.
    truco s.m.

    I trɪk
    1)
    a) ( ruse) trampa f, ardid m; (before n)

    a trick question — una pregunta con trampa; see also dirty tricks

    b) (prank, joke) broma f, jugarreta f

    my eyes/memory must be playing tricks on me — debo de estar viendo visiones/me debe estar engañando la memoria

    she's up to her old tricks againya está otra vez haciendo de las suyas

    how's tricks? — (sl) ¿qué onda? (AmL arg), ¿qué tal? (fam)

    2) (feat, skilful act) truco m

    to do card tricks — hacer* trucos con las cartas

    the trick is to add the oil slowlyel truco or el secreto está en añadir el aceite poco a poco

    give it a good thump, that should do the trick — dale un buen golpe y verás como funciona; dog I

    3) ( in card games) baza f

    to take/win o make a trick — hacerse*/ganar una baza

    he/she doesn't miss o never misses a trick — no se le escapa ni una


    II
    transitive verb engañar

    to trick somebody INTO -ING — engañar a alguien para que (+ subj)


    III
    adjective (before n)
    a) <cigar/spider> de juguete, de mentira, de pega (Esp fam)
    b) (AmE) <knee/elbow> con problemas
    [trɪk]
    1. N
    1) (=joke, hoax) broma f ; (=mischief) travesura f ; (=ruse) truco m, ardid m

    dirty or mean trick — mala pasada f, jugada f sucia

    trick or treat!frase amenazante que pronuncian en tono jocoso los niños que rondan las casas en la noche de Halloween; quiere decir: -¡danos algo o te hacemos una trastada!

    See:
    2) (=card trick) baza f ; (=conjuring trick) truco m ; (in circus) número m

    to take all the tricksganar or hacer todas las bazas

    - try every trick in the book
    3) (=special knack) truco m

    to get the trick of it — coger el truco, aprender el modo de hacerlo

    4) (=peculiarity, strange habit) manía f, peculiaridad f

    certain tricks of style — ciertas peculiaridades estilísticas, ciertos rasgos del estilo

    5) (=catch) trampa f
    6) ** [of prostitute] cliente m
    2.
    VT (=deceive) engañar; (=swindle) estafar, timar

    I've been tricked! — ¡me han engañado!

    to trick sb into doing sth — engañar a algn para que haga algo, conseguir con engaños que algn haga algo

    3.
    CPD

    trick cyclist Nciclista mf acróbata

    trick question Npregunta f de pega

    trick riding Nacrobacia f ecuestre

    * * *

    I [trɪk]
    1)
    a) ( ruse) trampa f, ardid m; (before n)

    a trick question — una pregunta con trampa; see also dirty tricks

    b) (prank, joke) broma f, jugarreta f

    my eyes/memory must be playing tricks on me — debo de estar viendo visiones/me debe estar engañando la memoria

    she's up to her old tricks againya está otra vez haciendo de las suyas

    how's tricks? — (sl) ¿qué onda? (AmL arg), ¿qué tal? (fam)

    2) (feat, skilful act) truco m

    to do card tricks — hacer* trucos con las cartas

    the trick is to add the oil slowlyel truco or el secreto está en añadir el aceite poco a poco

    give it a good thump, that should do the trick — dale un buen golpe y verás como funciona; dog I

    3) ( in card games) baza f

    to take/win o make a trick — hacerse*/ganar una baza

    he/she doesn't miss o never misses a trick — no se le escapa ni una


    II
    transitive verb engañar

    to trick somebody INTO -ING — engañar a alguien para que (+ subj)


    III
    adjective (before n)
    a) <cigar/spider> de juguete, de mentira, de pega (Esp fam)
    b) (AmE) <knee/elbow> con problemas

    English-spanish dictionary > trick

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