Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
Dentro del libro
Resultados 1-5 de 77
Página 12
... 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 an inch . But the head of the screw is ten inches in ...
... 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 an inch . But the head of the screw is ten inches in ...
Página 27
... extremities of the same vessel , the air being driven from one end to the other alternately by means of a plunger . Certain propositions are true of all these machines . In the first place , there is a theoretic limit to the economy of ...
... extremities of the same vessel , the air being driven from one end to the other alternately by means of a plunger . Certain propositions are true of all these machines . In the first place , there is a theoretic limit to the economy of ...
Página 29
... extremity and a movable piston , the distance between this extremity and the piston will be always proportional to the volume . In the annexed figure let O 0 D B A D B Fig . 1 . C be the closed extremity of the supposed cylinder , and A ...
... extremity and a movable piston , the distance between this extremity and the piston will be always proportional to the volume . In the annexed figure let O 0 D B A D B Fig . 1 . C be the closed extremity of the supposed cylinder , and A ...
Página 36
... extremity B of the cylinder . This movement of C not only drives out the hot air , but it draws in through A a fresh supply of cold air ; and if A descends simultaneously to the position originally supposed , i . e . , one- third ...
... extremity B of the cylinder . This movement of C not only drives out the hot air , but it draws in through A a fresh supply of cold air ; and if A descends simultaneously to the position originally supposed , i . e . , one- third ...
Página 37
... extremities , and kept in motion by the engine . The rod of the external piston , A , which is the driving piston , is also connected with an upright oscillating lever , turning on an axis of motion at its lower extremity , and carrying ...
... extremities , and kept in motion by the engine . The rod of the external piston , A , which is the driving piston , is also connected with an upright oscillating lever , turning on an axis of motion at its lower extremity , and carrying ...
Otras ediciones - Ver todas
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.