25th June 1948, Page 48
25th June 1948
Page 48
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Page 48, 25th June 1948
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Progress In Gear-changing Methods
P ATENT No. 598,377 comes from the Timken-Detroit , Axle Co., Detroit, Michigan, U.S.A., and is concerned with means for gear-changing, possibly under load. In particular, - the......