23rd January 1953, Page 52
23rd January 1953
Page 52

Page 52, 23rd January 1953
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A Built-up Crankshaft
P ATENT No. 683,085, which deals with a new method of fabricating crankshafts, comes from Isthmian Metals Incorporated, Boston, Massa chusetts, U.S.A. In this scheme the......