Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 277
Fig. .Til. Measuring the Center to Center Distance of Equal Holes angles to it. One point of the inside caliper is placed against thesmooth surface. By this method the scale division opposite theother point may be easily and accurately read. 272 MECHANICAL DRAWING When, as is very often the case,… … Fig. 312. Type Problem. Cylinder Head. Freehand Sketch fact that a center line does not exist on the object and must beestablished or the dimension obtained in a roundabout way. In the case of two holes of equal diameter, the center-to-centerdistance may be obtained by measuring from the near edge…
Mechanical drawing
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