Henley's Encyclopaedia of Practical Engineering and Allied Trades ...N.W. Henley Pub., Company, 1907 |
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Página 5
... effect of crystallisation in an angular casting , and illustrates the advantage of a hollow or radius . These are put into the patterns themselves in the best work , but in that of a rough and temporary char- acter the moulder cuts them ...
... effect of crystallisation in an angular casting , and illustrates the advantage of a hollow or radius . These are put into the patterns themselves in the best work , but in that of a rough and temporary char- acter the moulder cuts them ...
Página 8
... effect of extremes of temperature than steel , and it is always worth its cost as metal . It is better if not absolutely pure , a trace of arsenic im- parting a hardness to its surface . It is speci- fied generally to have a tensile ...
... effect of extremes of temperature than steel , and it is always worth its cost as metal . It is better if not absolutely pure , a trace of arsenic im- parting a hardness to its surface . It is speci- fied generally to have a tensile ...
Página 11
... effect of expansion by heat is almost necessarily disastrous . When iron began to take the place of wood for the framework of floors and roofs it was supposed that as the materials were not inflam- mable the buildings could not be ...
... effect of expansion by heat is almost necessarily disastrous . When iron began to take the place of wood for the framework of floors and roofs it was supposed that as the materials were not inflam- mable the buildings could not be ...
Página
... effect upon the arc , drawing it out into a large flame , and producing in effect a large lumi- nous body of gas of great illuminating power . The carbons prepared contain salts of sodium , which give the light a golden colour . The ...
... effect upon the arc , drawing it out into a large flame , and producing in effect a large lumi- nous body of gas of great illuminating power . The carbons prepared contain salts of sodium , which give the light a golden colour . The ...
Página 12
... effects than it will while at the tem- perature say of melted lead , tin , or tallow . The ductility of steel is also impaired when work is done upon it at locally varying temperatures . When a plate or flue , therefore , has been ...
... effects than it will while at the tem- perature say of melted lead , tin , or tallow . The ductility of steel is also impaired when work is done upon it at locally varying temperatures . When a plate or flue , therefore , has been ...
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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 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 thickness tion tooth tube turning valve vary vertical weight wheel worm
Pasajes populares
Página 9 - 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 201 - 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 202 - 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 36 - 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 36 - 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 230 - 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 201 - 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...