Textile Calculations, Manufacture and Mechanism

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Sir I. Pitman and sons, limited, 1920 - Textile fabrics - 427 pages
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Page 113 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Page 414 - F. 1 Knot = 6080 feet per hour. Weight of 1 Ib. in London = 445,000 dynes. One pound avoirdupois = 7000 grains = 453'6 grammes. 1 Cubic foot of water weighs 62-3 Ibs. at 65 F. 1 Cubic foot of air at 0
Page 79 - Suppose that a*=n, then x is called the logarithm of n to the base a : thus the logarithm of a number to a given base is the index of the power to which the base must be raised to be equal to the number. The logarithm of n to the base a is written log.
Page 82 - The logarithm of the root of a number is found by dividing the logarithm of the number by the index of the root.
Page 121 - Guido, with a burnt stick in his hand, demonstrating on the smooth paving-stones of the path, that the square on the hypotenuse of a right-angled triangle is equal to the sum of the squares on the other two sides.
Page 414 - Ib. per square foot = 760 mm. of mercury = 10" dynes per sq. cm. nearly. A column of water 2-3 feet high corresponds to a pressure of 1 Ib. per sq.
Page 206 - Put another way, if you construct squares on the edges of a right-angled triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares on the other two sides.

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