Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
Dentro del libro
Resultados 1-5 de 85
Página 4
... motion . By each of these improvements there was effected almost as large an advance in the power of multiplying impres sions beyond what had been before possible as had been attained by the original press of Gutenberg over the slow ...
... motion . By each of these improvements there was effected almost as large an advance in the power of multiplying impres sions beyond what had been before possible as had been attained by the original press of Gutenberg over the slow ...
Página 35
... motion , both the valves A and B will be closed , because the movement will tend to rarify the air on the side of B , and to condense it on the side of A. But its own valve will be opened by the joint effect of these causes , so that ...
... motion , both the valves A and B will be closed , because the movement will tend to rarify the air on the side of B , and to condense it on the side of A. But its own valve will be opened by the joint effect of these causes , so that ...
Página 36
... the air . Inasmuch as the piston which we have called C is shut up in the cylinder behind A , it is necessary that the rods which give it motion . I should pass through A. They do so , being packed 36 PARIS UNIVERSAL EXPOSITION .
... the air . Inasmuch as the piston which we have called C is shut up in the cylinder behind A , it is necessary that the rods which give it motion . I should pass through A. They do so , being packed 36 PARIS UNIVERSAL EXPOSITION .
Página 37
... motion at their extremities , and kept in motion by the engine . The rod of the external piston , A , which is the driving piston , is also connected with an upright oscillating lever , turning on an axis of motion at its lower ...
... motion at their extremities , and kept in motion by the engine . The rod of the external piston , A , which is the driving piston , is also connected with an upright oscillating lever , turning on an axis of motion at its lower ...
Página 38
... motion of A is still negative . The valve in C is opened by the pressure , the air passes through and having no other channel descends the annular space outside of the bell and returns by the annular space inside the bell , becoming ...
... motion of A is still negative . The valve in C is opened by the pressure , the air passes through and having no other channel descends the annular space outside of the bell and returns by the annular space inside the bell , becoming ...
Otras ediciones - Ver todas
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.