A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 36
e distance = to the radiusO of the required circle. WTiere this line and arc 1-2intersect is the center E for the required circle.Fig. 27. ^ Exercise 31.—A shaft i^ inches in diameter rotateswithin a ball-bearing consisting of 10 tempered steelballs. ]\Iake a drawing illustrating size of balls…
Mechanical drawing
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