Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página 3
... passes , in which successful ingenuity does not make some addition to productive power , by giving to its instru- ments increased efficiency , or to its products a superior quality . Such being the case , there cannot be a great ...
... passes , in which successful ingenuity does not make some addition to productive power , by giving to its instru- ments increased efficiency , or to its products a superior quality . Such being the case , there cannot be a great ...
Página 10
... passing between a smaller space between the rollers , till , as on Friday , the whole of the huge thickness was ... passes through the mill the sand is scat- tered , the water thrown , and the surface swept , and at every roll the ...
... passing between a smaller space between the rollers , till , as on Friday , the whole of the huge thickness was ... passes through the mill the sand is scat- tered , the water thrown , and the surface swept , and at every roll the ...
Página 35
... passes . The inventors of all the air engines which have been to any degree successful have recognized the necessity ... pass freely through the piston ; and if the motion continues , will ultimately be all transferred to the side of B ...
... passes . The inventors of all the air engines which have been to any degree successful have recognized the necessity ... pass freely through the piston ; and if the motion continues , will ultimately be all transferred to the side of B ...
Página 36
... pass through both into the space between B and C. If they both move toward B , but C faster than A , then air will ... passing through C into the space between C and B. Let now the piston A be supposed to occupy a position , say one ...
... pass through both into the space between B and C. If they both move toward B , but C faster than A , then air will ... passing through C into the space between C and B. Let now the piston A be supposed to occupy a position , say one ...
Página 38
... passing down the annular space between the bell and the cylinder wall , and returning up the annular space between ... passes through and having no other channel descends the annular space outside of the bell and returns by the annular ...
... passing down the annular space between the bell and the cylinder wall , and returning up the annular space between ... passes through and having no other channel descends the annular space outside of the bell and returns by the annular ...
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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
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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.