The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 5Gould, Kendall, and Lincoln, 1854 |
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Pagina 63
... metal placed to fit and work on the back of the slide valve , which is furnished with certain openings through which the steam must pass into the cylinder while the cut - off plate is in a proper position . The form of this cut - off is ...
... metal placed to fit and work on the back of the slide valve , which is furnished with certain openings through which the steam must pass into the cylinder while the cut - off plate is in a proper position . The form of this cut - off is ...
Pagina 64
... metal rings , and is not liable to wear uneven or quickly , as the friction is small . Scientific American . NEW BOILER FEEDER . The nature of this invention , by Aaron Arnold , of Troy , N. Y. , consists in having a small hollow closed ...
... metal rings , and is not liable to wear uneven or quickly , as the friction is small . Scientific American . NEW BOILER FEEDER . The nature of this invention , by Aaron Arnold , of Troy , N. Y. , consists in having a small hollow closed ...
Pagina 66
... metal boxes , each enclos- ing a circular piece of India - rubber , say 24 inches in diameter and of an inch thick . a box being set into each end of every tie , just under the rail . Thus the required elasticity is obtained , not in ...
... metal boxes , each enclos- ing a circular piece of India - rubber , say 24 inches in diameter and of an inch thick . a box being set into each end of every tie , just under the rail . Thus the required elasticity is obtained , not in ...
Pagina 83
... metal ) with the thus enlivened and expanded quicksilver without sub- liming that metal and causing it to pass off as vapor . By this means it is claimed that the very last particle of gold is extracted from the quartz and held by the ...
... metal ) with the thus enlivened and expanded quicksilver without sub- liming that metal and causing it to pass off as vapor . By this means it is claimed that the very last particle of gold is extracted from the quartz and held by the ...
Pagina 86
... metal not being magnetic , will not embarrass the work by requiring separation . one . The cases for the type are arranged in a crescent form , and the com- positor stands in the centre - a pair of nippers being employed in com ...
... metal not being magnetic , will not embarrass the work by requiring separation . one . The cases for the type are arranged in a crescent form , and the com- positor stands in the centre - a pair of nippers being employed in com ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1856 |
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