London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Band 3William Newton, Charles Frederick Partington W. Newton, 1821 |
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Seite 241
... surface of the copper . The specification , after going through the whole of the process of etching , as above described , concludes with these observations : " In short my invention for en- graving and etching the whole surface of the ...
... surface of the copper . The specification , after going through the whole of the process of etching , as above described , concludes with these observations : " In short my invention for en- graving and etching the whole surface of the ...
Seite 242
... surface of a line of cast iron rails , of whatever form such rails may be . Second- in affixing a bar of malleable iron to the under surface of the cast iron rail , in order to give support to the cohesion of the cast metal , and hence ...
... surface of a line of cast iron rails , of whatever form such rails may be . Second- in affixing a bar of malleable iron to the under surface of the cast iron rail , in order to give support to the cohesion of the cast metal , and hence ...
Seite 244
... surface plate as above with tenons , and having fixed the , two . bars intended to support it , on their edges , at a little dis- tance apart , parallel to each other , the top plate is then attached , and the whole made secure together ...
... surface plate as above with tenons , and having fixed the , two . bars intended to support it , on their edges , at a little dis- tance apart , parallel to each other , the top plate is then attached , and the whole made secure together ...
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acid ammonia animal apparatus appears applied attached axle blow-pipe boiler bolt bottles bottom brass capstan carbonate carbonic acid carriage cast iron chlorine colours communicated condensed conj connected consists construction contrivance copper crank cylinder described diameter Diff drawing Ecliptic edge effect elastic employed engine engravings equal feet fixed frame friction frisket green tea heat hinge-joints horse hyæna improved inches inclined plane inking invention Journal of Arts lever loco-motive London London Journal Lower Edmonton machine manufacture means metal method Middlesex mode months for inrolment Moon motion mould moveable observations obtained operation paper passing Patent pieces pipes piston placed plates present printing produced purpose quantity rail road rocket rollers rotatory round Royal screw Sealed shewn shews side Society spindle spring steam steam-engine surface tion valves vessel waggons weight WESTLEY RICHARDS wheel whelps