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81 Holden, Sir Isaac
SUBJECT AREA: Textiles[br]b. 7 May 1807 Hurlet, between Paisley and Glasgow, Scotlandd. 13 August 1897[br]British developer of the wool-combing machine.[br]Isaac Holden's father, who had the same name, had been a farmer and lead miner at Alston in Cumbria before moving to work in a coal-mine near Glasgow. After a short period at Kilbarchan grammar school, the younger Isaac was engaged first as a drawboy to two weavers and then, after the family had moved to Johnstone, Scotland, worked in a cotton-spinning mill while attending night school to improve his education. He was able to learn Latin and bookkeeping, but when he was about 15 he was apprenticed to an uncle as a shawl-weaver. This proved to be too much for his strength so he returned to scholastic studies and became Assistant to an able teacher, John Kennedy, who lectured on physics, chemistry and history, which he also taught to his colleague. The elder Isaac died in 1826 and the younger had to provide for his mother and younger brother, but in 1828, at the age of 21, he moved to a teaching post in Leeds. He filled similar positions in Huddersfield and Reading, where in October 1829 he invented and demonstrated the lucifer match but did not seek to exploit it. In 1830 he returned because of ill health to his mother in Scotland, where he began to teach again. However, he was recommended as a bookkeeper to William Townend, member of the firm of Townend Brothers, Cullingworth, near Bingley, Yorkshire. Holden moved there in November 1830 and was soon involved in running the mill, eventually becoming a partner.In 1833 Holden urged Messrs Townend to introduce seven wool-combing machines of Collier's designs, but they were found to be very imperfect and brought only trouble and loss. In 1836 Holden began experimenting on the machines until they showed reasonable success. He decided to concentrate entirely on developing the combing machine and in 1846 moved to Bradford to form an alliance with Samuel Lister. A joint patent in 1847 covered improvements to the Collier combing machine. The "square motion" imitated the action of the hand-comber more closely and was patented in 1856. Five more patents followed in 1857 and others from 1858 to 1862. Holden recommended that the machines should be introduced into France, where they would be more valuable for the merino trade. This venture was begun in 1848 in the joint partnership of Lister \& Holden, with equal shares of profits. Holden established a mill at Saint-Denis, first with Donisthorpe machines and then with his own "square motion" type. Other mills were founded at Rheims and at Croix, near Roubaix. In 1858 Lister decided to retire from the French concerns and sold his share to Holden. Soon after this, Holden decided to remodel all their machinery for washing and carding the gill machines as well as perfecting the square comb. Four years of excessive application followed, during which time £20,000 was spent in experiments in a small mill at Bradford. The result fully justified the expenditure and the Alston Works was built in Bradford.Holden was a Liberal and from 1865 to 1868 he represented Knaresborough in Parliament. Later he became the Member of Parliament for the Northern Division of the Riding, Yorkshire, and then for the town of Keighley after the constituencies had been altered. He was liberal in his support of religious, charitable and political objectives. His house at Oakworth, near Keighley, must have been one of the earliest to have been lit by electricity.[br]Principal Honours and DistinctionsBaronet 1893.Bibliography1847, with Samuel Lister, British patent no. 11,896 (improved Collier combing machine). 1856. British patent no. 1,058 ("square motion" combing machine).1857. British patent no. 278 1857, British patent no. 279 1857, British patent no. 280 1857, British patent no. 281 1857, British patent no. 3,177 1858, British patent no. 597 1859, British patent no. 52 1860, British patent no. 810 1862, British patent no. 1,890 1862, British patent no. 3,394Further ReadingJ.Hogg (ed.), c.1888, Fortunes Made in Business, London (provides an account of Holden's life).Obituary, 1897, Engineer 84.Obituary, 1897, Engineering 64.E.M.Sigsworth, 1973, "Sir Isaac Holden, Bt: the first comber in Europe", in N.B.Harte and K.G.Ponting (eds), Textile History and Economic History, Essays in Honour ofMiss Julia de Lacy Mann, Manchester.W.English, 1969, The Textile Industry, London (provides a good explanation of the square motion combing machine).RLH -
82 Holtzapffel, John Jacob
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. June 1836 London, Englandd. 14 October 1897 Eastbourne, Sussex, England[br]English mechanical engineer and author of several volumes of Turning and Mechanical Manipulation.[br]John Jacob Holtzapffel was the second son of Charles Holtzapffel and was educated at King's College School, London, and at Cromwell House, Highgate. Following the death of his father in 1847 and of his elder brother, Charles, at the age of 10, he was called on at an early age to take part in the business of lathe-making and turning founded by his grandfather. He made many improvements to the lathe for ornamental turning, but he is now remembered chiefly for the continuation of his father's publication Turning and Mechanical Manipulation. J.J. Holtzapffel produced the fourth volume, on Plain Turning, in 1879, and the fifth, on Ornamental Turning, in 1884. In 1894 he revised and enlarged the third volume, but the intended sixth volume was never completed. J.J.Holtzapffel was admitted to the Turners' Company of London in 1862 and became Master in 1879. He was associated with the establishment of the Turners' Competition to encourage the art of turning and was one of the judges for many years. He was also an examiner for the City and Guilds of London Institute and the British Horological Institute. He was a member of the Society of Arts and a corresponding member of the Franklin Institute of Philadelphia. He was elected an Associate of the Institution of Civil Engineers in 1863 and became an Associate Member after reorganization of the classes of membership in 1878.[br]Principal Honours and DistinctionsMaster, Turners' Company of London 1879.Bibliography1879, Turning and Mechanical Manipulation, Vol. IV: Plain Turning, London; 1884, Vol. V: The Principles and Practice of Ornamental or Complex Turning, London; reprinted 1894; reprinted 1973, New York.RTSBiographical history of technology > Holtzapffel, John Jacob
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83 Leeuwenhoek, Antoni van
[br]b. 24 October 1632 Delft, Netherlandsd. 1723 Delft, Netherlands[br]Dutch pioneer of microscopy.[br]He was the son of a basketmaker, Philip Tonisz Leeuwenhoek, and Grietje Jacobsdr van den Berch, a brewer's daughter. After the death of his father in 1637, his mother married the painter Jacob Jansz Molijn. He went to school at Warmond and, later to an uncle who was Sheriff of Benthuizen. In 1648 he went to Amsterdam, where he was placed in a linen-draper's shop owned by William Davidson, a Scottish merchant. In 1652 or 1653 he moved back to Delft, where in 1654 he married the daughter of a cloth-merchant, Barbara de Mey. They had five children, only one of whom survived (born 22 September 1656). At about this time he bought a house and shop in the Hippolytus buurt and set up in business as a draper and haberdasher. His wife died in 1666 and in 1671 he married Cornelia Swalmius, a Reformed Church minister's daughter. Lacking self-confidence and not knowing Latin, the scientific language of the day, he was reluctant to publish the results of his investigations into a multitude of natural objects. His observations were made with single-lens microscopes made by himself. (He made at least 387 microscopes with magnifications of between 30x and 266x.) Among the subjects he studied were the optic nerve of a cow, textile fibres, plant seeds, a spark from a tinderbox, the anatomy of mites and insects' blood corpuscles, semen and spermatozoa. It was the physician Reinier de Graaf who put him in touch with the Royal Society in London, with whom he corresponded for fifty years from 1673. One of his last letters, in 1723, to the Royal Society was about the histology of the rare disease of the diaphragm that he had studied in sheep and oxen and from which he died. In public service he was a chamberlain to the sheriffs of Delft, a surveyor and a wine-gauger, offices which together gave him an income of about 800 florins a year. Leeuwenhoek never wrote a book, but collections were published in Latin and in Dutch from his scientific letters, which numbered more than 250.[br]Principal Honours and DistinctionsFRS 1680.Further ReadingL.C.Palm and H.A.M.Snelders, Antoni van Leeuwenhoek 1632–1723: Studies in the Life and Work of the Delft Scientist, Commemorating the 350th Anniversary of his Birthday.B.Bracegirdle (ed.), Beads of Glass: Leeuwenhoek and the Early Microscope. (Catalogue of an exhibition in the Museum Boerhaave, November 1982 to May 1983, and in the Science Museum, May to October 1983).IMcNBiographical history of technology > Leeuwenhoek, Antoni van
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84 Lever, William Hesketh
[br]b. 19 September 1851 Bolton, Lancashire, Englandd. 7 May 1925 Hampstead, London, England[br]English manufacturer of soap.[br]William Hesketh Lever was the son of the retail grocer James Lever, who built up the large wholesale firm of Lever \& Co. in the north-west of England. William entered the firm at the age of 19 as a commercial traveller, and in the course of his work studied the techniques of manufacture and the quality of commercial soaps available at the time. He decided that he would concentrate on the production of a soap that was not evil-smelling, would lather easily and be attractively packaged. In 1884 he produced Sunlight Soap, which became the trade mark for Lever \& Co. He had each tablet wrapped, partly to protect the soap from oxygenization and thus prevent it from becoming rancid, and partly to display his brand name as a form of advertising. In 1885 he raised a large capital sum, purchased the Soap Factory in Warrington of Winser \& Co., and began manufacture. His product contained oils from copra, palm and cotton blended with tallow and resin, and its quality was carefully monitored during production. In a short time it was in great demand and began to replace the previously available alternatives of home-made soap and poor-quality, unpleasant-smelling bars.It soon became necessary to expand the firm's premises, and in 1887 Lever purchased fifty-six acres of land upon which he set up a new centre of manufacture. This was in the Wirral in Cheshire, near the banks of the River Mersey. Production at the new factory, which was called Port Sunlight, began in January 1889. Lever introduced a number of technical improvements in the production process, including the heating systems and the recovery of glycerine (which could later be sold) from the boiling process.Like Sir Titus Salt of Saltaire before him, Lever believed it to be in the interest of the firm to house his workers in a high standard of building and comfort close to the factory.By the early twentieth century he had created Port Sunlight Village, one of the earliest and certainly the most impressive housing estates, for his employees. Architecturally the estate is highly successful, being built from a variety of natural materials and vernacular styles by a number of distinguished architects, so preventing an overall architectural monotony. The comprehensive estate comprises, in addition to the factory and houses, a church, an art gallery, schools, a cottage hospital, library, bank, fire station, post office and shops, as well as an inn and working men's institute, both of which were later additions. In 1894 Lever \& Co. went public and soon was amalgamated with other soap firms. It was at its most successful high point by 1910.[br]Principal Honours and DistinctionsFirst Viscount Leverhulme of the Western Isles.Further Reading1985, Dictionary of Business Biography. Butterworth.Ian Campbell Bradley, 1987, Enlightened Entrepreneurs, London: Weidenfeld \& Nicolson.DY
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