Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página 15
... applied to this purpose , then of paramount importance , it averted at once the imminent danger which menaced British industry , and restored to Britain the commercial sceptre just as it was about to fall from her grasp . The greatness ...
... applied to this purpose , then of paramount importance , it averted at once the imminent danger which menaced British industry , and restored to Britain the commercial sceptre just as it was about to fall from her grasp . The greatness ...
Página 22
... applied with a larger latitude of meaning than is understood when we speak of one which produces its impression imme- diately . Of this latter description was the invention of the reaper , which took the world almost by storm ; and the ...
... applied with a larger latitude of meaning than is understood when we speak of one which produces its impression imme- diately . Of this latter description was the invention of the reaper , which took the world almost by storm ; and the ...
Página 27
... applied in another . This class of machines admits of several modifications of arrangement , all of which have been employed by different inventors with more or less success . The heater and the refrig- erator , for example , may be ...
... applied in another . This class of machines admits of several modifications of arrangement , all of which have been employed by different inventors with more or less success . The heater and the refrig- erator , for example , may be ...
Página 33
... applied by Mr. Ericsson to this contrivance as applied to his original engine , and this term has come into general use . The regenerator is applicable to any form of engine , but it is not employed in all . The theoretic advan- tage is ...
... applied by Mr. Ericsson to this contrivance as applied to his original engine , and this term has come into general use . The regenerator is applicable to any form of engine , but it is not employed in all . The theoretic advan- tage is ...
Página 36
... applied and the effort repeated . But this not being practicable , the heated air may be allowed to escape by relieving the valve B of the pressure of the spring which confines it , and by causing the piston C to descend to the ...
... applied and the effort repeated . But this not being practicable , the heated air may be allowed to escape by relieving the valve B of the pressure of the spring which confines it , and by causing the piston C to descend to the ...
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Términos y frases comunes
advantage amount angle apparatus applied armature atmosphere axis Bessemer process boiler calories carried cent centimetres circumference compression construction contrivance crank cubic metres cylinder diameter direction discharge disk distance effect electric employed engine equal exhibited experiments Exposition extremity feet force furnace furnished glass half heat horizontal horse-power hundred hydraulic hydraulic head illustrated inches increased instrument introduced invention inventor iron kilograms kilometres latent heat length lever light light-houses liquid machine manufacture means mechanical ment Messrs metal metres millimetres mode motion movable types movement necessary object observed operation ordinary Paris passes piston plate position pounds practical present pressure prism produced pulley pump purpose refrigerator reservoir revolution roller rotary engine rotation screw sextant shaft side Siemens space spherometer steam steam-engine steel surface telescope temperature tion tonometer tube turbine turn valve vapor velocity vertical vessel weight wheel Wicklow Head
Pasajes populares
Página 31 - B with the sound velocity where y is the ratio of the specific heat at constant pressure to the specific heat at constant volume, and p is the gas pressure.