Machinery and Processes of the Industrial Arts: And Apparatus of the Exact SciencesU.S. Government Printing Office, 1869 - 669 páginas |
Dentro del libro
Resultados 1-5 de 81
Página 12
... means of the 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 ...
... means of the 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 ...
Página 13
... means of deep ribs cast upon the reverse , which ribs connect the points , three in number , on which the plate is intended to rest when placed face upward . These plates nowhere deviate from true geometrical planes by an error ...
... means of deep ribs cast upon the reverse , which ribs connect the points , three in number , on which the plate is intended to rest when placed face upward . These plates nowhere deviate from true geometrical planes by an error ...
Página 37
... means of stuffing boxes to prevent leakage ; and are connected at their external extremi- ties with oscillating levers turning on a fixed centre of motion at their extremities , and kept in motion by the engine . The rod of the external ...
... means of stuffing boxes to prevent leakage ; and are connected at their external extremi- ties with oscillating levers turning on a fixed centre of motion at their extremities , and kept in motion by the engine . The rod of the external ...
Página 41
... means of a box or receiver on the top , between which and the interior of the furnace communication can be opened ; the box itself being , in the mean time , tightly closed . From the furnace the air , along with the gaseous products of ...
... means of a box or receiver on the top , between which and the interior of the furnace communication can be opened ; the box itself being , in the mean time , tightly closed . From the furnace the air , along with the gaseous products of ...
Página 48
... means the intensity of the heat may be varied , and the working pressure increased or diminished . M is the main shaft , N the fly - wheel , and Q Q ' connecting rods which explain themselves . The fly - wheel on the large engine at ...
... means the intensity of the heat may be varied , and the working pressure increased or diminished . M is the main shaft , N the fly - wheel , and Q Q ' connecting rods which explain themselves . The fly - wheel on the large engine at ...
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.