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stroke+method

  • 21 klasyczny

    adj
    ( antyczny) classic(al); (typowy, doskonały) classic

    styl klasyczny — ( w pływaniu) breast-stroke

    taniec/balet klasyczny — classical dance/ballet

    * * *
    a.
    1. ( antyczny) classical; filologia klasyczna Classics; języki klasyczne classical languages.
    2. (= klasycystyczny) classical, classicistic; tragedia klasyczna classical tragedy; literatura klasyczna classical literature; balet klasyczny classical balet.
    3. (= typowy) classic; klasyczny przykład classic example, typical example.
    4. (= tradycyjny) classical; fizyka klasyczna classical physics; metoda klasyczna classical method; kombinacja klasyczna narciarstwo Nordic combined; styl klasyczny pływanie breaststroke.

    The New English-Polish, Polish-English Kościuszko foundation dictionary > klasyczny

  • 22 прийом

    ( засуджених до в'язниці тощо) intake, method, reception, stroke, technique

    Українсько-англійський юридичний словник > прийом

  • 23 पदम् _padam

    पदम् [पद्-अच्]
    1 A foot (said to be m. also in this sense); पदेन on foot; शिखरिषु पदं न्यस्य Me.13; अपथे पदमर्पयन्ति हि R.9.74 'set foot on (follow) a wrong road'; 3.5;12.52; पदं हि सर्वत्र गुणैर्निधीयते 3.62 'good qualities set foot everywhere' i. e. command notice or make themselves felt; जनपदे न गदः पदमादधौ 9.4. 'no disease stepped into the country'; यदवधि न पदं दधाति चित्ते Bv.2.14; पदं कृ (a) to set foot in, on or over (lit.); शान्ते करिष्यसि पदं पुनराश्रमे$स्मिन् Ś.4.2. (b) to enter upon or into, take possession of, occupy (fig.); कृतं वपुषि नवयौवनेन पदम् K.137; कृतं हि मे कुतूहलेन प्रश्नाशया हृदि पदम् 133; so Ku.5.21; Pt.1.24; कृत्वा पदं नो गले Mu.3.26 'in defiance of us'; (lit. planting his foot on our neck); मूर्ध्नि पदं कृ 'to mount on the head of', 'to humble'; पदं मूर्ध्नि समाधत्ते केसरी मत्तदन्तिनः Pt.1.327; आकृतिविशेषेष्वादरः पदं करोति M.1 'good forms attract attention (command respect); जने सखी पदं कारिता Ś.4; 'made to have dealings with (to confide in)'; धर्मेण शर्वे पार्वतीं प्रति पदं कारिते Ku.6.14.
    -2 A step, pace, stride; तन्वी स्थिता कतिचिदेव पदानि गत्वा Ś.2.13; पदे पदे 'at every step'; अक्षमालामदत्त्वा पदात् पदमपि न गन्तव्यम् or चलितव्यम् 'do not move even a step' &c.; पितुः पदं मध्यममुत्पतन्ती V.1.19 'the middle pace or stride of Viṣṇu.'; i. e. the sky (for mythologically speaking, the earth, sky, and lower world are considered as the three paces of Viṣṇu in his fifth or dwarf incarnation वामनावतार); so अथात्मनः शब्दगुणं गुणज्ञः पदं विमानेन विगाहमानः R.13.1.
    -3 A foot-step, foot- print, foot-mark; पदपङ्क्तिः Ś.3.7; or पदावली foot-prints; पदमनुविधेयं च महताम् Bh.2.28 'the foot-steps of the great must be followed'; पदैगृर्ह्यते चौरः Y.2.286.
    -4 A trace, mark, impression, vestige; रतिवलयपदाङ्के चापमासज्य कण्ठे Ku.2.64; Me.37,98; M.3.
    -5 A place, position, station; अधो$धः पदम् Bh.2.1; आत्मा परिश्रमस्य पदमुपनीतः Ś.1, 'brought to the point of or exposed to trouble'; तदलब्धपदं हृदि शोकघने R.8.91, 'found no place in (left no impression on) the heart'; अपदे शङ्कितो$स्मि M.1, 'my doubts were out of place', i. e. groundless; कृशकुटुम्बेषु लोभः पदमधत्त Dk.162; Ku.6.72;3.4; R.2.5;9.82; कृतपदं स्तनयुगलम् U.6.35, 'brought into relief or bursting forth'.
    -6 Dignity, rank, office, station or position; भगवत्या प्रश्निकपदमध्यासितव्यम् M.1; यान्त्येवं गृहिणीपदं युवतयः Ś.4.18, 'attain to the rank or position, &c.; स्थिता गृहिणीपदे 4.19; so सचिव˚, राज˚ &c.
    -7 Cause, subject, occasion, thing, matter, business, affair; व्यवहारपदं हि तत् Y.2.5; 'occasion or matter of dispute, title of law, judicial proceeding'; Ms.8.7; सतां हि सन्देहपदेषु वस्तुषु Ś.1.22; वाञ्छितफलप्राप्तेः पदम् Ratn.1.6.
    -8 Abode, object, receptacle; पदं दृशः स्याः कथमीश मादृशाम् Śi.1.37; 15.22; अगरीयान्न पदं नृपश्रियः Ki.2.14; अविवेकः परमापदां पदम् 2.3; के वा न स्युः परिभवपदं निष्फलारम्भयत्नाः Me.56; संपदः पदमापदाम् H.4.65.
    -9 A quarter or line of a stanza, verse; विरचितपदम् (गेयम्) Me.88,15; M.5.2; Ś.3.14.
    -1 A complete or inflected word; सुप्तिडन्तं पदम् P.I. 4.14. वर्णाः पदं प्रयोगार्हानन्वितैकार्थबोधकाः S. D.9; R.8.77; Ku.4.9.
    -11 A name for the base of nouns before all consonantal case-terminations except nom. singular.
    -12 Detachment of the Vedic words from one another, separation of a Vedic text into its several constituent words; वेदैः साङ्गपदक्रमोपनिषदैर्गायन्ति यं सामगाः Bhāg.12.13.1.
    -13 A pretext; अनिभृतपदपातमापपात प्रियमिति कोपपदेन कापि सख्या Śi.7.14.
    -14 A sqare root.
    -15 A part, por- tion or division (as of a sentence); as त्रिपदा गायत्री.
    -16 A measure of length.
    -17 Protection, preservation; ते विंशतिपदे यत्ताः संप्रहारं प्रचक्रिरे Mb.7.36.13.
    -18 A square or house on a chessboard; अष्टापदपदालेख्यैः Rām.
    -19 A quadrant.
    -2 The last of a series.
    -21 A plot of ground.
    -22 (In Arith.) Any one in a set of numbers the sum of which is required.
    -23 A coin; माता पुत्रः पिता भ्राता भार्या मित्रजनस्तथा । अष्टापदपदस्थाने दक्षमुद्रेव लक्ष्यते ॥ Mb.12.298.4. (com. अष्टापदपदं सुवर्णकार्षापणः).
    -24 A way, road; षट्पदं नवसंख्यानं निवेशं चक्रिरे द्विजाः Mb.14.64.1.
    -25 Retribution (फल); ईहोपरमयोर्नॄणां पदान्यध्यात्मचक्षुषा Bhāg.7.13.2.
    -दः A ray of light.
    -Comp. -अङ्कः, चिह्नम् a foot-print.
    -अङ्गुष्ठः the great toe, thumb (of the foot).
    -अध्ययनम् study of the Vedas according to the पदपाठ q. v.
    -अनुग a.
    1 following closely, being at the heels of (gen.).
    -2 suitable, agreeable to. (
    -गः) a follower, companion; एतान्निहत्य समरे ये चृ तस्य पदानुगाः । तांश्च सर्वान् विनिर्जित्य सहितान् सनराधिपान् ॥ Mb.3.12.6.
    -अनुरागः 1 a servant.
    -2 an army.
    -अनुशासनम् the science of words, grammar.
    -अनुषङ्गः anything added to a pada.
    -अन्तः 1 the end of a line of a stanza.
    -2 the end of a word.
    -अन्तरम् another step, the interval of one step; पदान्तरे स्थित्वा Ś.1; अ˚ closely, without a pause.
    -अन्त्य a. final.
    -अब्जम्, -अम्भोजम्, -अरविन्दम्, -कमलम्, -पङ्कजम्, -पद्मम् a lotus-like foot.
    -अभिलाषिन् a. wishing for an office.
    -अर्थः 1 the meaning of a word.
    -2 a thing or object.
    -3 a head or topic (of which the Naiyāyikas enumerate 16 subheads).
    -4 anything which can be named (अभिधेय), a category or predicament; the number of such categories, according to the Vaiśeṣikas, is seven; according to the Sāṅkhyas, twentyfive (or twenty-seven according to the followers of Patañjali), and two according to the Vedāntins.
    -5 the sense of another word which is not expressed but has to be supplied. ˚अनुसमयः preforming one detail with reference to all things or persons concerned; then doing the second, then the third and so on (see अनुसमय). Hence पदार्थानुसमयन्याय means: A rule of interpretation according to which, when several details are to be performed with reference to several things or persons, they should be done each to each at a time.
    -आघातः 'a stroke with the foot', a kick.
    -आजिः a foot-soldier.
    -आदिः 1 the beginning of the line of a stanza.
    -2 the beginning or first letter of a word. ˚विद् m. a bad student (knowing only the beginnings of stanzas).
    -आयता a shoe.
    -आवली a series of words, a continued arrangement of words or lines; (काव्यस्य) शरीरं तावदिष्टार्थव्यवच्छिन्नापदावली Kāv. 1.1; मधुरकोमलकान्तपदावलीं शृणु तदा जयदेवसरस्वतीम् Gīt.1.
    -आसनम् a foot-stool.
    - आहत a. kicked.
    -कमलम् lotus-like foot.
    -कारः, -कृत् m. the author of the Padapāṭha.
    -क्रमः 1 walking, a pace; न चित्रमुच्चैः श्रवसः पदक्रमम् (प्रशशंस) Śi.1.52.
    -2 a particular method of reciting the Veda; cf. क्रम.
    -गः a foot-soldier.
    -गतिः f. gait, manner of going.
    -गोत्रम् a family supposed to preside over a particular class of words.
    -छेदः, -विच्छेदः, -विग्रहः separation of words, resolu- tion of a sentence into its constituent parts.
    -च्युत a. dismissed from office, deposed.
    -जातम् class or group of words.
    -दार्ढ्यम् fixedness or security of text.
    -न्यासः 1 stepping, tread, step.
    -2 a foot-mark.
    -3 position of the feet in a particular attitude.
    -4 the plant गोक्षुर.
    -5 writing down verses or quarters of verses; अप्रगल्भाः पदन्यासे जननीरागहेतवः । सन्त्येके बहुलालापाः कवयो बालका इव ॥ Trivikramabhaṭṭa.
    -पङ्क्तिः f.
    1 a line of foot-steps; द्वारे$स्य पाण्डुसिकते पदपङ्क्तिर्दृश्यते$भिनवा Ś.3.7; V.4.6.
    -2 a line or arrangement of words, a series of words; कृतपदपङ्क्तिरथर्वणेव वेदः Ki.1.1.
    -3 an iṣtakā or sacred brick.
    -4 a kind of metre.
    -पाठः an arrangement of the Vedic text in which each word is written and pronounced in its original form and independently of phonetic changes (opp. संहितापाठ).
    -पातः, विक्षेपः a step, pace (of a horse also).
    -बन्धः a foot-step, step.
    -भञ्जनम् analysis of words, etymology.
    -भञ्जिका 1 a commentary which separates the words and analyses the compounds of a passage.
    -2 a register, journal.
    -3 a calendar.
    -भ्रंशः dismissal from office.
    -माला a magical formula.
    -योपनम् a fetter for the feet (Ved.).
    -रचना 1 arrangement of words.
    -2 literary composition.
    -वायः Ved. a leader.
    -विष्टम्भः a step, footstep.
    -वृत्तिः f. the hiatus between two words.
    -वेदिन् a linguist, philologist.
    -व्याख्यानम् interpreta- tion of words.
    -शास्त्रम् the science of separately written words.
    -संघातः (टः) 1 connecting the words which are separated in the संहिता.
    -2 a writer, an annotator.
    -संधिः m. the euphonic combination of words.
    -स्थ a.
    1 going on foot.
    -2 being in a position of authority or high rank.
    -स्थानम् a foot-print.

    Sanskrit-English dictionary > पदम् _padam

  • 24 tarz

    n. style, method, way, manner, form, angle, brand, fashion, genre, modality, mode, modus, school, stroke
    * * *
    1. style 2. genre 3. manner

    Turkish-English dictionary > tarz

  • 25 прием

    reception имя существительное:

    Русско-английский синонимический словарь > прием

  • 26 ἀρχή

    ἀρχή, ἡ, (v. ἄρχω)
    A beginning, origin,

    νείκεος ἀ. Il.22.116

    ;

    πήματος Od.8.81

    ;

    φόνου 21.4

    , etc.; opp. τέλος, Hdt.7.51, etc.; opp. τελευτή, Thgn.607, cf. Pl.Lg. 715e, Hp.Morb.1.1;

    ἀ. γενέσθαι κακῶν Hdt.5.97

    ;

    ἀ. ποιήσασθαί τινος Th.1.128

    , And.2.37, Isoc.12.120, etc.;

    ἀ. λαβεῖν τινός Aeschin.1.11

    ;

    τὰς ἀρχὰς εἰληφέναι Plb.4.28.3

    ; ἀρχὴν ὑποθέσθαι lay a foundation, D.3.2, etc.;

    βαλέσθαι Pl.Ep. 326e

     (and [voice] Pass.,

    ἀρχαὶ βέβληνται Pi.N.1.8

    );

    ἀρχὴν ἄρχεσθαί τινος Pl.Ti. 36e

    ; source of action, [

    ὁ ἄνθρωπος] ἔχει ἀρχὴν ἐλευθέραν Plot.3.3.4

    .
    b with Preps. in adverbial usages, ἐξ ἀρχῆς from the beginning, from the first, from of old, Od.1.188, Xenoph.10, etc.;

    οὑξ ἀ. φίλος S.OT 385

    ;

    ἡ ἐξ ἀ. ἔχθρα D.54.3

    ;

    τὸ ἐξ ἀ. X.Cyn.12.6

    ; but

    πλουτεῖν ἐξ ἀ. πάλιν

     anew, afresh,

    Ar.Pl. 221

    ;

    λόγον πάλιν ὥσπερ ἐξ ἀ. κινεῖν Pl.R. 450a

    ; ὁ ἐξ ἀ. λόγος the original argument, Id.Tht. 177c, etc.; τὰ ἐξ ἀ. the principal sum, Arist.Pol. 1280a30:—also

    ἀπ' ἀ. Hes.Th. 425

    , Hdt.2.104, Pi.P.8.25, A.Supp. 344, Pl.Tht. 206d; κατ' ἀρχάς in the beginning, at first, Hdt.3.153, 7.5;

    αὐτίκα κατ' ἀ. Id.8.94

    ;

    τὸ κατ' ἀ. Pl. Lg. 798a

    , al.
    c acc. ἀρχήν, abs., to begin with, at first, Hdt. 1.9, 2.28, 8.132;

    τὴν ἀρχήν And.3.20

    : pl.,

    τὰς ἀρχάς Plb.16.22.8

    : freq. followed by a neg., not at all,

    ἀρχὴν μηδὲ λαβών Hdt.3.39

    , cf. 1.193, al.;

    ἀ. δὲ θηρᾶν οὐ πρέπει τἀμήχανα S.Ant.92

    ;

    ἀ. κλύειν ἂν οὐκ.. ἐβουλόμην Id.Ph. 1239

    , cf. El. 439, Philol.3, Antipho5.73, Pl. Grg. 478c; sts. c. Art.,

    τοῦτο οὐκ ἐνδέκομαι τὴν ἀ. Hdt.4.25

    ;

    τὴν ἀ. γὰρ ἐξῆν αὐτῷ μὴ γράφειν D.23.93

    .
    2 first principle, element, first so used by Anaximander, acc. to Simp. in Ph.150.23, cf. Arist. Metaph. 983b11, etc.;

    Ἡράκλειτος τὴν ἀ. εἶναί φησι ψυχήν Id.de An. 405a25

    ; of ὕλη and θεός, opp. στοιχεῖα, Placit.1.3.25; practical principle of conduct,

    τῶν πράξεων τὰς ἀρχὰς καὶ τὰς ὑποθέσεις D. 2.10

    ; principles of knowledge, Arist.Metaph. 995b8, al.
    3 end, corner, of a bandage, rope, sheet, etc., Hdt.4.60, Hp.Off.9, E.Hipp. 762, Aen.Tact.18.14, Act.Ap.10.11; of a compound pulley, Hero Bel.84.14.
    4 Math., origin of a curve,

    τῆς ἕλικος Archim.Spir. 11

     Def.2, etc.;

    ξυνὸν ἀ. καὶ πέρας ἐπὶ κύκλου περιφερείας Heraclit. 103

    .
    5 branch of a river, LXX Ge.2.10 (pl.).
    6 sum, total, ib.Nu.1.2.
    7 vital organs of the body, Gal.1.318, al.
    II first place or power, sovereignty (not in Hom.),

    Διὸς ἀρχά Pi.O.2.64

    , cf. Hdt.1.6, etc.;

    γενέσθαι ἐπ' ἀρχῆς Arist.Pol. 1284b2

    : metaph., μεγάλην μεντἂν ἀ. εἴης εὑρηκώς, of a stroke of fortune, D.21.196: pl.,

    ἀρχαὶ πολισσονόμοι A.Ch. 864

     (lyr.);

    τὰς ἐμὰς ἀρχὰς σέβων S.Ant. 744

    , etc.: c. gen. rei,

    τῆσδ' ἔχων ἀρχὴν χθονός S.OT 737

    ; ἀ. τῶν νεῶν, τῆς θαλάσσης, power over them, Th.3.90, X.Ath.2.7, etc.: prov., ἀ. ἄνδρα δείξει Biasap.Arist.EN 1130a1, cf. D.Prooem.48; method of government,

    οὐδὲ τὴν ἄλλην ἀ. ἐπαχθής Th.6.54

    .
    2 empire, realm, Κύρου, Περδίκκου ἀ., Hdt.1.91, Th.4.128, etc.
    3 magistracy, office, ἀρχὴν ἄρχειν, παραλαμβάνειν, Hdt.3.80, 4.147;

    καταστήσας τὰς ἀ. καὶ ἄρχοντας ἐπιστήσας Id.3.89

    ; εἰς ἀ. καθίστασθαι Th.8.70; εἰς τὴν ἀ. εἰσιέναι D.59.72, etc.; ἀ. λαχεῖν to obtain an office, Id.57.25;

    Ἑλληνοταμίαι τότε πρῶτον κατέστη ἀ. Th.1.96

    ;

    ἐνιαύσιος ἀ. Id.6.54

    ; ἀ. χειροτονητή, κληρωτή, Lex ap.Aeschin.1.21; withsg. Noun,

    Κυθηροδίκης ἀ. ἐκ τῆς Σπάρτης διέβαινεν αὐτόσε Th.4.53

    ; term of office,

    ἀρχῆς λοιποὶ αὐτῷ δύο μῆνες Antipho6.42

    ;

    ἀρχαὶ καὶ λειτουργίαι POxy.119.16

     (iii A.D.).
    4 in pl.,

    αἱ ἀρχαί

     the authorities, the magistrates,

    Th.5.47

    , cf. Decr. ap. And.1.83; ἐν ταῖς ἀ. εἶναι Th.6.54; ἡ ἀρχή collectively, 'the board', D.47.22, cf. IG1.229, etc.;

    παραδιδόναι τινὰ τῇ ἀ. Antipho5.48

    ; but ἡ ἀ., of a single magistrate, PHal.1.226 (iii B.C.); κατ' ἀρχῆς γὰρ φιλαίτιος λεώς against authority, A.Supp. 485;

    πομποὺς ἀρχάς Id.Ag. 124

     (anap.).
    5 command, i.e. body of troops, LXX 1 Ki.13.17, al.
    6 pl., heavenly powers, Ep.Rom.8.38, al., cf. Dam. Pr.96; powers of evil, Ep.Eph.6.12, al.
    III = εἶδος μελίσσης ἀκέντρου, Hsch.

    Greek-English dictionary (Αγγλικά Ελληνικά-λεξικό) > ἀρχή

  • 27 Brayton, George Bailey

    [br]
    b. 1839 Rhode Island, USA
    d. 1892 Leeds, England
    [br]
    American engineer, inventor of gas and oil engines.
    [br]
    During the thirty years prior to his death, Brayton devoted considerable effort to the development of internal-combustion engines. He designed the first commercial gas engine of American origin in 1872. An oil-burning engine was produced in 1875. An aptitude for mechanical innovation became apparent whilst he was employed at the Exeter Machine Works, New Hampshire, where he developed a successful steam generator for use in domestic and industrial heating systems. Brayton engines were distinguished by the method of combustion. A pressurized air-fuel mixture from a reservoir was ignited as it entered the working cylinder—a precursor of the constant-pressure cycle. A further feature of these early engines was a rocking beam. There exist accounts of Brayton engines fitted into river craft, and of one in a carriage which operated for a few months in 1872–3. However, the appearance of the four-stroke Otto engine in 1876, together with technical problems associated with backfiring into the fuel reservoir, prevented large-scale acceptance of the Brayton engine. Although Thompson Sterne \& Co. of Glasgow became licensees, the engine failed to gain usage in Britain. A working model of Brayton's gas engine is exhibited in the Museum of History and Technology in Washington, DC.
    [br]
    Bibliography
    1872, US patent no. 125,166 (Brayton gas engine).
    July 1890, British patent no. 11,062 (oil engine; under patent agent W.R.Lake).
    Further Reading
    D.Clerk, 1895, The Gas and Oil Engine, 6th edn, London, pp. 152–62 (includes a description and report of tests carried out on a Brayton engine).
    KAB

    Biographical history of technology > Brayton, George Bailey

  • 28 Evans, Oliver

    [br]
    b. 13 September 1755 Newport, Delaware, USA
    d. 15 April 1819 New York, USA
    [br]
    American millwright and inventor of the first automatic corn mill.
    [br]
    He was the fifth child of Charles and Ann Stalcrop Evans, and by the age of 15 he had four sisters and seven brothers. Nothing is known of his schooling, but at the age of 17 he was apprenticed to a Newport wheelwright and wagon-maker. At 19 he was enrolled in a Delaware Militia Company in the Revolutionary War but did not see active service. About this time he invented a machine for bending and cutting off the wires in textile carding combs. In July 1782, with his younger brother, Joseph, he moved to Tuckahoe on the eastern shore of the Delaware River, where he had the basic idea of the automatic flour mill. In July 1782, with his elder brothers John and Theophilus, he bought part of his father's Newport farm, on Red Clay Creek, and planned to build a mill there. In 1793 he married Sarah Tomlinson, daughter of a Delaware farmer, and joined his brothers at Red Clay Creek. He worked there for some seven years on his automatic mill, from about 1783 to 1790.
    His system for the automatic flour mill consisted of bucket elevators to raise the grain, a horizontal screw conveyor, other conveying devices and a "hopper boy" to cool and dry the meal before gathering it into a hopper feeding the bolting cylinder. Together these components formed the automatic process, from incoming wheat to outgoing flour packed in barrels. At that time the idea of such automation had not been applied to any manufacturing process in America. The mill opened, on a non-automatic cycle, in 1785. In January 1786 Evans applied to the Delaware legislature for a twenty-five-year patent, which was granted on 30 January 1787 although there was much opposition from the Quaker millers of Wilmington and elsewhere. He also applied for patents in Pennsylvania, Maryland and New Hampshire. In May 1789 he went to see the mill of the four Ellicot brothers, near Baltimore, where he was impressed by the design of a horizontal screw conveyor by Jonathan Ellicot and exchanged the rights to his own elevator for those of this machine. After six years' work on his automatic mill, it was completed in 1790. In the autumn of that year a miller in Brandywine ordered a set of Evans's machinery, which set the trend toward its general adoption. A model of it was shown in the Market Street shop window of Robert Leslie, a watch-and clockmaker in Philadelphia, who also took it to England but was unsuccessful in selling the idea there.
    In 1790 the Federal Plant Laws were passed; Evans's patent was the third to come within the new legislation. A detailed description with a plate was published in a Philadelphia newspaper in January 1791, the first of a proposed series, but the paper closed and the series came to nothing. His brother Joseph went on a series of sales trips, with the result that some machinery of Evans's design was adopted. By 1792 over one hundred mills had been equipped with Evans's machinery, the millers paying a royalty of $40 for each pair of millstones in use. The series of articles that had been cut short formed the basis of Evans's The Young Millwright and Miller's Guide, published first in 1795 after Evans had moved to Philadelphia to set up a store selling milling supplies; it was 440 pages long and ran to fifteen editions between 1795 and 1860.
    Evans was fairly successful as a merchant. He patented a method of making millstones as well as a means of packing flour in barrels, the latter having a disc pressed down by a toggle-joint arrangement. In 1801 he started to build a steam carriage. He rejected the idea of a steam wheel and of a low-pressure or atmospheric engine. By 1803 his first engine was running at his store, driving a screw-mill working on plaster of Paris for making millstones. The engine had a 6 in. (15 cm) diameter cylinder with a stroke of 18 in. (45 cm) and also drove twelve saws mounted in a frame and cutting marble slabs at a rate of 100 ft (30 m) in twelve hours. He was granted a patent in the spring of 1804. He became involved in a number of lawsuits following the extension of his patent, particularly as he increased the licence fee, sometimes as much as sixfold. The case of Evans v. Samuel Robinson, which Evans won, became famous and was one of these. Patent Right Oppression Exposed, or Knavery Detected, a 200-page book with poems and prose included, was published soon after this case and was probably written by Oliver Evans. The steam engine patent was also extended for a further seven years, but in this case the licence fee was to remain at a fixed level. Evans anticipated Edison in his proposal for an "Experimental Company" or "Mechanical Bureau" with a capital of thirty shares of $100 each. It came to nothing, however, as there were no takers. His first wife, Sarah, died in 1816 and he remarried, to Hetty Ward, the daughter of a New York innkeeper. He was buried in the Bowery, on Lower Manhattan; the church was sold in 1854 and again in 1890, and when no relative claimed his body he was reburied in an unmarked grave in Trinity Cemetery, 57th Street, Broadway.
    [br]
    Further Reading
    E.S.Ferguson, 1980, Oliver Evans: Inventive Genius of the American Industrial Revolution, Hagley Museum.
    G.Bathe and D.Bathe, 1935, Oliver Evans: Chronicle of Early American Engineering, Philadelphia, Pa.
    IMcN

    Biographical history of technology > Evans, Oliver

  • 29 Perkins, Jacob

    [br]
    b. 9 July 1766 Newburyport, Massachusetts, USA
    d. 30 July 1849 London, England
    [br]
    American inventor of a nail-making machine and a method of printing banknotes, investigator of the use of steam at very high pressures.
    [br]
    Perkins's occupation was that of a gold-and silversmith; while he does not seem to have followed this after 1800, however, it gave him the skills in working metals which he would continue to employ in his inventions. He had been working in America for four years before he patented his nail-making machine in 1796. At the time there was a great shortage of nails because only hand-forged ones were available. By 1800, other people had followed his example and produced automatic nail-making machines, but in 1811 Perkins' improved machines were introduced to England by J.C. Dyer. Eventually Perkins had twenty-one American patents for a range of inventions in his name.
    In 1799 Perkins invented a system of engraving steel plates for printing banknotes, which became the foundation of modern siderographic work. It discouraged forging and was adopted by many banking houses, including the Federal Government when the Second United States Bank was inaugurated in 1816. This led Perkins to move to Philadelphia. In the intervening years, Perkins had improved his nail-making machine, invented a machine for graining morocco leather in 1809, a fire-engine in 1812, a letter-lock for bank vaults and improved methods of rolling out spoons in 1813, and improved armament and equipment for naval ships from 1812 to 1815.
    It was in Philadelphia that Perkins became interested in the steam engine, when he met Oliver Evans, who had pioneered the use of high-pressure steam. He became a member of the American Philosophical Society and conducted experiments on the compressibility of water before a committee of that society. Perkins claimed to have liquified air during his experiments in 1822 and, if so, was the real discoverer of the liquification of gases. In 1819 he came to England to demonstrate his forgery-proof system of printing banknotes, but the Bank of England was the only one which did not adopt his system.
    While in London, Perkins began to experiment with the highest steam pressures used up to that time and in 1822 took out his first of nineteen British patents. This was followed by another in 1823 for a 10 hp (7.5 kW) engine with only 2 in. (51 mm) bore, 12 in. (305 mm) stroke but a pressure of 500 psi (35 kg/cm2), for which he claimed exceptional economy. After 1826, Perkins abandoned his drum boiler for iron tubes and steam pressures of 1,500 psi (105 kg/cm2), but the materials would not withstand such pressures or temperatures for long. It was in that same year that he patented a form of uniflow cylinder that was later taken up by L.J. Todd. One of his engines ran for five days, continuously pumping water at St Katherine's docks, but Perkins could not raise more finance to continue his experiments.
    In 1823 one his high-pressure hot-water systems was installed to heat the Duke of Wellington's house at Stratfield Saye and it acquired a considerable vogue, being used by Sir John Soane, among others. In 1834 Perkins patented a compression ice-making apparatus, but it did not succeed commercially because ice was imported more cheaply from Norway as ballast for sailing ships. Perkins was often dubbed "the American inventor" because his inquisitive personality allied to his inventive ingenuity enabled him to solve so many mechanical challenges.
    [br]
    Further Reading
    Historical Society of Pennsylvania, 1943, biography which appeared previously as a shortened version in the Transactions of the Newcomen Society 24.
    D.Bathe and G.Bathe, 1943–5, "The contribution of Jacob Perkins to science and engineering", Transactions of the Newcomen Society 24.
    D.S.L.Cardwell, 1971, From Watt to Clausius. The Rise of Thermodynamics in the Early Industrial Age, London: Heinemann (includes comments on the importance of Perkins's steam engine).
    A.F.Dufton, 1940–1, "Early application of engineering to warming of buildings", Transactions of the Newcomen Society 21 (includes a note on Perkins's application of a high-pressure hot-water heating system).
    RLH

    Biographical history of technology > Perkins, Jacob

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