Henley's Encyclopaedia of Practical Engineering and Allied Trades ... |
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
Términos y frases comunes
action amount angle bearings becomes block body boiler bolts bottom carbon carried cast cent centre closed connected crane cutting cylinder diameter direction driving edges effect electric employed engine equal face fire fitted flanges force forging frame fuel furnace gears give given hand head heat holes hydraulic inch increased iron joint lathe latter lead length less lever lifting light load machine means measured metal method milling mould moved necessary obtained operated passing pattern pieces pipe pitch plate portion position practice pressure prevent produced range ring running screw shaft shown side slide space speed spindle square steam steel supply surface taking teeth temperature term thick tion tube turning usually valve vary vertical weight wheels wood
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...