15th June 1951, Page 62
15th June 1951
Page 62

Page 62, 15th June 1951
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A Fluid-operated Centrifugal Clutch
A CLUTCH which slips at slow speeds and •drives at high speed is shown in patent No. 652,527, by L. De Dionigi, Rome. Though described as a-hydraulic variable gear, it can be......