Machine drawing, a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 52
as theconventional method previously described. Bell Crank. Fig. 33 shows a bell crank fastened to its shaft bymeans of a set screw, the same general features being noted in thisas in the preceding figure. A further point is the method of express-ing the distance between the faces of the principal… … BELL CRANK ON£-G.I. Fig. 33. Method of Showing Dimensions on Detail Drawing the dimension is. The other method of stating this would be 9 ft * ,which is obviously a somewhat cumbersome and odd dimension; itis easier for the machinist to read 10 on his scale and finish thedistance ^ less, than it is…
Machinery
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