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 7
... necessary to carry the material to it ; a necessity involving much loss of time and labor , and no slight expense . The transportation to great distances of raw material , though in the existing state of many industries it is often ...
... necessary to carry the material to it ; a necessity involving much loss of time and labor , and no slight expense . The transportation to great distances of raw material , though in the existing state of many industries it is often ...
Página 12
... necessary adjust- ment . The other is opposed to the extremity of a screw of twenty threads to the inch , placed directly in the line of the axis . A single revolution of the screw advances the extremity , therefore , one - twentieth of ...
... necessary adjust- ment . The other is opposed to the extremity of a screw of twenty threads to the inch , placed directly in the line of the axis . A single revolution of the screw advances the extremity , therefore , one - twentieth of ...
Página 14
... necessary for the daily uses of the farm , the family , or the workshop of the petty artisan , if a part became unserviceable it could not be immedi ately replaced , and possibly the whole machine became a loss . In modern manufacturing ...
... necessary for the daily uses of the farm , the family , or the workshop of the petty artisan , if a part became unserviceable it could not be immedi ately replaced , and possibly the whole machine became a loss . In modern manufacturing ...
Página 21
... necessary to set backward the Jac- quard guides . As an example of what is intended in the second subdivision of inven- tions of this order , may be mentioned Armstrong's machine for dovetail- ing , exhibited in the American section ...
... necessary to set backward the Jac- quard guides . As an example of what is intended in the second subdivision of inven- tions of this order , may be mentioned Armstrong's machine for dovetail- ing , exhibited in the American section ...
Página 25
... necessary to the production of a given power as to have made the introduction of the movable engine into agriculture and into many of the minor industries economical , and not too inconvenient . Yet , for intermittent industries , the ...
... necessary to the production of a given power as to have made the introduction of the movable engine into agriculture and into many of the minor industries economical , and not too inconvenient . Yet , for intermittent industries , the ...
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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.