Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página 12
... five degrees , so as to reduce the terminal surfaces to the dimensions of about a quarter of an inch square . The lateral edges are also rounded , in order to facilitate the manipula- tion . It rests on a rectangular trough , of which ...
... five degrees , so as to reduce the terminal surfaces to the dimensions of about a quarter of an inch square . The lateral edges are also rounded , in order to facilitate the manipula- tion . It rests on a rectangular trough , of which ...
Página 14
... five - ton gun from Woolwich ; and the equally ponderous artillery shown by Mr. Whitworth , and by the government of France . To these illus- trations may be added all the magnificent and splendidly finished forg- ings of the marine ...
... five - ton gun from Woolwich ; and the equally ponderous artillery shown by Mr. Whitworth , and by the government of France . To these illus- trations may be added all the magnificent and splendidly finished forg- ings of the marine ...
Página 46
... five times as much , or to twenty - two - horse power . From a careful determination of the sources of loss , it was shown that more than forty - four per cent . of the whole power was expended in over- coming passive resistances , and ...
... five times as much , or to twenty - two - horse power . From a careful determination of the sources of loss , it was shown that more than forty - four per cent . of the whole power was expended in over- coming passive resistances , and ...
Página 55
... five degrees beyond its lowest point , or two hundred and twenty degrees from the vertical . The two cranks will then be equally inclined to the vertical on opposite sides of it , and their efforts to turn the shaft will be opposed to ...
... five degrees beyond its lowest point , or two hundred and twenty degrees from the vertical . The two cranks will then be equally inclined to the vertical on opposite sides of it , and their efforts to turn the shaft will be opposed to ...
Página 69
... five and six atmospheres , and the mean ( effective ) pressure throughout the stroke less than half an atmosphere . The introduction of water into the cylinder of this machine is an important feature of its operation , contributing to ...
... five and six atmospheres , and the mean ( effective ) pressure throughout the stroke less than half an atmosphere . The introduction of water into the cylinder of this machine is an important feature of its operation , contributing to ...
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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.