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American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)

Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 553

An illustration from American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions, 1914, leaf 553
angent of the angle. The table shows this to be the tangent of 26 degrees and 34 minutes.Should it happen that we only knew the hypotenuse and the angle we use formula No. 6 and multiply 4 X .5 = 2, the side opposite. In the same way we can find the side adjacent by using formula No. 7. The cosine… … Fig. 8 TABLE OF REGULAR POLYGONS 525 Taking No. 4 we have 2 as the side opposite, 3 as the side adjacent.Dividing 3 by 2 gives 1.5. Looking under co-tangents for this wefind 1.5003 after :^s degrees 41 minutes, which is nearly the correctangle. Then look for the secant of this and find 1.2017.…

Machine-shop practice

Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.

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