1st October 1937, Page 56
1st October 1937
Page 56

Page 56, 1st October 1937
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New Hydraulic Transmission Gear
A Résumé of Recently Published Patent Specifications P A TENT No. 470,803, by T. G. Hassan, R. G. Stephens, and T. F. Gray, 2, Kersal Gardens, KersaI, Manchester, describes an......