Henley's Encyclopaedia of Practical Engineering and Allied Trades ...N.W. Henley Pub., Company, 1907 |
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Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 116 - ... directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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...
Σελίδα 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...