on the proportions and workmanship. Ifthe size of the parts is ample and the work good theshackle may be very durable, but if, to save weight, theparts are made small there is considerable wear. The pinsshould in all cases be case-hardened and ground. IN a recent Bureau of Standards circular (No.… … Fig. 1 /•■;.</. 2 Sectional • • of spring shackles of various construction Fig. 3 February 3, 1921 AUTOMOTIVE INDUSTRIES THE AUTOMOBILE 221 The Manufacture of Magneto Magnets Production of U-shaped magnets from bar stock in large quantity is fea-ture of Splitdorf plant. Forming, grinding, heat…
Automobiles · Aeronautics
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