## Useful Rules and Tables Relating to Mensuration, Engineering, Structures, and Machines |

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angle angular velocity approximate axis beam breadth British Measures calculate centre of magnitude centre of pressure chain circle circular arc cloth co-efficient common common logarithm cotan Crown 8vo cube cubic foot curvature curve cylinder denote depth diameter direction divide draw Edition engine Engravings equal factor of safety Fahr Fcap feet per second figure force fraction given number greatest heat horizontal hyperbolic logarithm intervals kilogramme length LL.D load mean mean effective pressure metre Millimetres modulus moment of inertia morocco multiply numerous Illustrations parallel perpendicular distance plane plates Professor proportional quotient radius ratio Reciprocal resultant Rule III.—To sectional area side sine slope spandril specific gravity square foot square inch station-line steam steel straight line subtract surface Table tangent temperature theodolite thickness triangle unit versin vertical volume weight wheel

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Page 147 - ... the ratio of the mass of a given volume of the substance to the mass of an equal volume of water, in which case it is equal to the specific gravity. In its application to gases, the term THE INTENSITY OP PRESSURE. 121

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