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
... carried . It might be said in objection , that while there is no fault to find with the correctness of the mathematical conclusion deduced from the known relations of the parts of this instrument , yet from the possible flexure or ...
... carried . It might be said in objection , that while there is no fault to find with the correctness of the mathematical conclusion deduced from the known relations of the parts of this instrument , yet from the possible flexure or ...
Página 32
... carried much above 300 ° C. With a maximum tem- perature of 307 ° C = 580 ° C above the absolute zero , the economical coefficient would be = 580-290 580 = 0. 50 which would show a utilization of one - half the heat taken up . The first ...
... carried much above 300 ° C. With a maximum tem- perature of 307 ° C = 580 ° C above the absolute zero , the economical coefficient would be = 580-290 580 = 0. 50 which would show a utilization of one - half the heat taken up . The first ...
Página 44
... carried up to one hundred and twenty , which would be necessary to increase the horse - power to twenty , as claimed . The temperature to which the air must be raised in order to secure , under the circumstances , a pressure of fourteen ...
... carried up to one hundred and twenty , which would be necessary to increase the horse - power to twenty , as claimed . The temperature to which the air must be raised in order to secure , under the circumstances , a pressure of fourteen ...
Página 46
... carried to a height which could not but tend to deteriorate rapidly the parts of the engine exposed to it ; and especially the interior of the working cylinder . In order to protect this surface , it was constantly lubricated with a ...
... carried to a height which could not but tend to deteriorate rapidly the parts of the engine exposed to it ; and especially the interior of the working cylinder . In order to protect this surface , it was constantly lubricated with a ...
Página 61
... carried round for a single revolution , in consequence of the dropping of a catch , shown at x , into the ratchet wheel t , which is keyed to the arbor . In Fig . 2 this catch is shown in its usual position of detent , it being held ...
... carried round for a single revolution , in consequence of the dropping of a catch , shown at x , into the ratchet wheel t , which is keyed to the arbor . In Fig . 2 this catch is shown in its usual position of detent , it being held ...
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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.