Machinery and Processes of the Industrial Arts: And Apparatus of the Exact SciencesU.S. Government Printing Office, 1869 - 669 páginas |
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Página iii
... represented , to appreciate the merits of the various objects subjected to their examination . The preparation of the required report was there- fore , originally , very properly confided to a committee ; but the plan of a joint report ...
... represented , to appreciate the merits of the various objects subjected to their examination . The preparation of the required report was there- fore , originally , very properly confided to a committee ; but the plan of a joint report ...
Página viii
... represented in this class - The French section - Forms of apparatus which are new - The American section - Model balances of the United States - Barlow's plane- tarium - Bond's astronomical clock and chronograph - Tolles's microscope ...
... represented in this class - The French section - Forms of apparatus which are new - The American section - Model balances of the United States - Barlow's plane- tarium - Bond's astronomical clock and chronograph - Tolles's microscope ...
Página 29
... represented by the movement of the piston from A ' to B ' , during which the temperature is constant , and the pres- sure falls off gradually . The work which is done during this period is proportional to the area ABB'A ' . The second ...
... represented by the movement of the piston from A ' to B ' , during which the temperature is constant , and the pres- sure falls off gradually . The work which is done during this period is proportional to the area ABB'A ' . The second ...
Página 30
... represented by the area ADCC'A ' . And it is only the difference between these two values , or the force which has the irregular area ABCD for its representative , which is available for useful effect . It is provable that the area BCC ...
... represented by the area ADCC'A ' . And it is only the difference between these two values , or the force which has the irregular area ABCD for its representative , which is available for useful effect . It is provable that the area BCC ...
Página 31
... represented by U , will be , 1 Q - Q ' _A ( T - T ) T - T U = = Q = AT T If the effects of the several movements described in the text are expressed analytically , the truth of the propositions above stated will be evident from a mere ...
... represented by U , will be , 1 Q - Q ' _A ( T - T ) T - T U = = Q = AT T If the effects of the several movements described in the text are expressed analytically , the truth of the propositions above stated will be evident from a mere ...
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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.