Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página iii
... original anticipation protracted the work of its completion until after the close . To the duties originally assigned to the committee on the useful arts was added , at a late period , that of reporting on the objects exposed in Class ...
... original anticipation protracted the work of its completion until after the close . To the duties originally assigned to the committee on the useful arts was added , at a late period , that of reporting on the objects exposed in Class ...
Página v
... original - Mechanical principal involved - Inventor's estimate of economy - Transmission of force by means of air highly compressed - Experiments at Coscia on resistance of tubes to flow of air - Laws deduced - Absolute and relative ...
... original - Mechanical principal involved - Inventor's estimate of economy - Transmission of force by means of air highly compressed - Experiments at Coscia on resistance of tubes to flow of air - Laws deduced - Absolute and relative ...
Página 2
... original and what is familiar and common , he finds himself arrested by a new embarrassment . There is no form of industry which , in our day , is stationary for a moment . There is none which is not undergoing improvement so incessant ...
... original and what is familiar and common , he finds himself arrested by a new embarrassment . There is no form of industry which , in our day , is stationary for a moment . There is none which is not undergoing improvement so incessant ...
Página 4
... original with himself . The observer would have , perhaps , been still more forcibly impressed with the evidence of this truth in looking through the magnificent collection of objects which modern ingenuity has so wonderfully multiplied ...
... original with himself . The observer would have , perhaps , been still more forcibly impressed with the evidence of this truth in looking through the magnificent collection of objects which modern ingenuity has so wonderfully multiplied ...
Página 16
... original as to be the means of creating a new one . An example of this kind may be found in the vulcanization of India - rubber ; a process which has made of a substance which but a few years since was limited to the narrowest range of ...
... original as to be the means of creating a new one . An example of this kind may be found in the vulcanization of India - rubber ; a process which has made of a substance which but a few years since was limited to the narrowest range of ...
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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.