The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 50
ct now is to find thelength of A D (between centers). If we know this distance,by placing a pin in each of the holes A D we can make anend gauge by means of the micrometer caliper or vernier, andget it almost exact to the proper angle. We know the lengths A B and D B, but as we are nowconfined to a… … 46 THE MACHINIST AND TOOL, MAKERS INSTRUCTOR. longest side, A B, is given as 4, then B C is sine, and C Acosine of the angle of 10°. In the table of sines we find thenumber .1736 opposite 10°, then multiplying thus, .1736 X 4the radius = .694, the distance B to C; and in the table of co-sines we…
Machinery
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