Handbook Encyclopedia of Engineering: A Compact Work of Reference Containing the Most Essential Facts about 4150 Subjects in Mechanics and Engineering, Including Established Results and Data of Importance to Designers and Builders of Mechanical and Electrical ApparatusFranklin D. Jones |
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abrasive acid alloy aluminum amount angle annealing applied bearing belt boiler bolt brass bronze carbon cast iron cent chemical chromium chuck classes compression containing copper cutter cutting cylinder degrees F designed diameter disk drill driving duralumin electric electromotive force engine equal feed force forging friction furnace gage gear gravity grinding machine grinding wheel hardening heat holes horsepower known lathe load lubricant machine magnetic manganese manufacture material mechanical melting metal method milling milling cutters milling machines mold motor nickel obtained operation oxide pipe piston pitch plane plate pounds per square pressure produced pulley pump pyrometer reamers resistance revolutions per minute revolving rivet rope rotating screw screw thread shaft specific gravity speed spindle square inch standard steam steel stroke surface taper teeth temperature tensile strength thread tool tooth tube usually valve varies weight welding wire zinc
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Page 323 - The circular pitch is the distance from the center of one tooth to the center of the next tooth, measured along the pitch circle.
Page 785 - States and under the seal of the patent office to any person who has invented or discovered any new and useful art, machine, manufacture or composition of matter...
Page 741 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Page 597 - A later contract signed by him in 1813 contained the first clause specifying interchangeability ; "the component parts of pistols are to correspond so exactly that any limb or part of one pistol may be fitted to any other pistol of the 20,000.
Page 420 - The unit of capacity shall be what is known as the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Page 789 - A design patent may be obtained by any person who has invented any new, original, and ornamental design for an article of manufacture, not known or used by others in this country before his invention thereof, and not patented or described in any printed publication in this or any foreign country before his invention thereof, or more than two years prior to his application, and not...
Page 546 - Heat Treatment. — An operation or combination of operations involving the heating and cooling of a metal or an alloy in the solid state for the purpose of obtaining certain desirable conditions or properties.
Page 826 - ... as applied to the thread of a screw and also the term "inside diameter" as applied to the thread of a nut. Pitch Diameter. On a straight screw thread the diameter of an imaginary cylinder the surface of which would pass through the threads at such points as to make equal the width of the threads and the width of the spaces cut by the surface of the cylinder.
Page 738 - NEEDLE VALVE. — A valve provided with a long tapering point in place of the ordinary valve disk. The tapering point permits fine graduation of the opening. At times called a needle point valve. NIPPLE.
Page 240 - The stroke of the engine is the travel of the piston P; since the piston and crosshead are rigidly fastened to the same rod, the stroke must also be equal to the travel of the crosshead.