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 ...

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Joseph Gregory Horner
N. W. Henley publishing Company, 1909

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Innhold

Del 9
168
Del 10
180
Del 11
185
Del 12
190
Del 13
204
Del 22
132
Del 23
160
Del 24
206
Del 25
211
Del 26
230

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Side 3 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
Side 44 - ... the duration of the cut, ie, the time which a tool must last under pressure of the shaving without being reground...
Side 236 - One piston acts to give steam to the other, after which it finishes its own stroke and waits for its valve to be acted upon before it can renew its motion. This pause allows all the water valves to seat quietly, and removes everything like harshness of motion.
Side 219 - For plates intended for flanging or welding, and for combustion chambers and furnaces, the tensile breaking strength shall be between the limits of 26 and 30 tons per square inch. In the case of material for purposes in which tensile strength is not important...
Side 219 - Wherever practicable, the rolled surfaces shall be retained on two opposite sides of the test piece. The elongation shall be measured on a standard test piece having a gauge length of 8 in. For material more than '875 in.
Side 72 - Stays. — The strength of stays supporting flat surfaces is to be calculated from the smallest part of the stay or fastening, and the strain upon them is not to exceed the following limits, namely :— Iron stays. — For stays not exceeding 1£ inches smallest diameter, and for all stays which are welded, 6,000 Ibs.
Side 42 - The most suitable temper for tools where the surface only is required to be hard, and where the capacity to withstand great pressure is of importance, such as stamping or pressing dies, boiler cups, &c.
Side 169 - The oxygen of the air combines with the carbon of the fuel to form carbon monoxide, and the steam together with carbon also forms carbon monoxide and free hydrogen.
Side 74 - Heat given to a substance, and warming it, is said to be sensible in the substance. Heat given to a substance, and not warming it, is said to become latent
Side 9 - To find the surface of a sphere, Multiply the square of the diameter by 3.1416.

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