Henley's Encyclopædia of Practical Engineering and Allied Trades: A Practical and Indispensable Work of Reference for the Mechanical Engineer, Designer, Draftsman, Shop Superintendent, Foreman and Machinist ...Joseph Gregory Horner N.W. Henley Publishing Company, 1907 |
Dentro del libro
Resultados 1-5 de 95
Página 8
... speeds of from 25 to 30 miles an hour , can ascend gradients of 1 in 6 , and its capacity is 500 gallons a minute , throwing a 14 - in . jet to a height of 160 ft . The boiler is petroleum fired . Complexity of parts has been avoided by ...
... speeds of from 25 to 30 miles an hour , can ascend gradients of 1 in 6 , and its capacity is 500 gallons a minute , throwing a 14 - in . jet to a height of 160 ft . The boiler is petroleum fired . Complexity of parts has been avoided by ...
Página 9
... speed . Another point in its favour is that the pumps can be arranged considerably lower , giving a decided advantage when pumping from a depth , the lowering of the centre of gravity also allowing the engine to travel better . Fire ...
... speed . Another point in its favour is that the pumps can be arranged considerably lower , giving a decided advantage when pumping from a depth , the lowering of the centre of gravity also allowing the engine to travel better . Fire ...
Página 20
... speed of the pump engine as well as with the relief valve . A safety valve on the steam pipe is advisable for use in emergencies , as under certain circum- stances the pressure will run up to a very high figure almost instantaneously ...
... speed of the pump engine as well as with the relief valve . A safety valve on the steam pipe is advisable for use in emergencies , as under certain circum- stances the pressure will run up to a very high figure almost instantaneously ...
Página 21
... speed with which superheated steam will pass through the ports . For the same reason all joints must be perfectly steamtight . A very small leak will reduce the pressure to a much greater extent than would be thought possible . For a At ...
... speed with which superheated steam will pass through the ports . For the same reason all joints must be perfectly steamtight . A very small leak will reduce the pressure to a much greater extent than would be thought possible . For a At ...
Página 23
... speed gears , enabling a large range of speeds to be obtained . The turret is fed up either by hand , or power , stops being fitted to arrest the travel at predetermined points . The turning tools used are of the " box " form , with vee ...
... speed gears , enabling a large range of speeds to be obtained . The turret is fed up either by hand , or power , stops being fitted to arrest the travel at predetermined points . The turning tools used are of the " box " form , with vee ...
Otras ediciones - Ver todas
Términos y frases comunes
angle belt blast block boiler bolts bottom carbon cast iron cent centre combustion crane curved cutters cutting cycloidal cylinder diameter drill driving edges electric employed engine face Fahr fire fitted flanges flues force forging frame friction fuel furnace gases gauge gears grinding grinding machines hammer headstock heat high-speed steel holes horizontal hydraulic inch joint joists Lancashire boilers lathe latter lead screw length lever lifting liquid load loam lubrication machine magnet metal metric system milling milling cutters milling machines motor mould moulding box operated oxygen pattern pieces pinion pipe piston pitch plane plate pressure produced pulley pump radius ring riveted rotated screw shaft shown side slide speed spindle square steam steel surface teeth temperature thick tion tube turning valve vary vertical weight wheels worm
Pasajes populares
Página 7 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by forces to change that state.
Página 116 - ... directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Página 199 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.
Página 200 - The moment of a force about any point is the product of the magnitude of the force and the perpendicular distance from the point to the line of action of the force.
Página 34 - If three forces acting at a point are in equilibrium they can be represented in magnitude and direction by the three sides of a triangle taken in order.
Página 34 - If any number of forces acting at a point can be represented in magnitude and direction by the sides of a POLYGON taken in order, they are in equilibrium.
Página 116 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Página 228 - Troy of wheat, taken from the middle of the ear, and well dried, should make one gallon of Wine measure, and 8 such gallons make a bushel.
Página 199 - Inertia of a surface about an axis through its center of gravity und perpendicular to the surface is the sum of the products obtained by multiplying each elementary area by the square of its distance from the center of gravity of...
Página 170 - All the world and his wife have been shown exactly how the " artist " dresses and undresses ; we feel that the sum of human knowledge has been appreciably augmented. But on the principle that you cannot have too much of a good thing, Zaza does it all, or nearly all, over again. Having combed her hair in Act I., she combs it once more in Act IV., and offers you a further piece of minute realism by removing the loose ends of hair from the comb and throwing them out of the window. Then she dusts the...