Machinery and Processes of the Industrial Arts: And Apparatus of the Exact SciencesU.S. Government Printing Office, 1869 - 669 páginas |
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Página vi
... construction - Illustration of the advantages to be derived from its use - Application of the Mahovos as a brake . — pp . 151- 161 . CHAPTER V. MEASURE OF FORCE . Mechanical contrivances for measuring the force of prime movers - Prony's ...
... construction - Illustration of the advantages to be derived from its use - Application of the Mahovos as a brake . — pp . 151- 161 . CHAPTER V. MEASURE OF FORCE . Mechanical contrivances for measuring the force of prime movers - Prony's ...
Página 14
... constructions necessary for the daily uses of the farm , the family , or the workshop of the petty artisan , if a part ... construction is made for a particu lar machine , but what will serve for one will equally well serve for any other ...
... constructions necessary for the daily uses of the farm , the family , or the workshop of the petty artisan , if a part ... construction is made for a particu lar machine , but what will serve for one will equally well serve for any other ...
Página 25
... construction is less at present than it was a quarter of a century ago by more than fifty per cent . , it is still costly . The improvements of boilers have very largely increased the amount of heat utilized , and have so reduced the ...
... construction is less at present than it was a quarter of a century ago by more than fifty per cent . , it is still costly . The improvements of boilers have very largely increased the amount of heat utilized , and have so reduced the ...
Página 26
... construction than those driven by steam , and that their management is easier , and requires less constant watchfulness . It has generally been claimed for them that they economize fuel . Theory might seem to justify this claim , but in ...
... construction than those driven by steam , and that their management is easier , and requires less constant watchfulness . It has generally been claimed for them that they economize fuel . Theory might seem to justify this claim , but in ...
Página 34
... construction . It also performed very well in practice , so far as its performance was merely a question of mechanics . But it failed , because the heating arrange- ments were inadequate to the demand made upon them . Mr. Ericsson did ...
... construction . It also performed very well in practice , so far as its performance was merely a question of mechanics . But it failed , because the heating arrange- ments were inadequate to the demand made upon them . Mr. Ericsson did ...
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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.