10th March 1925, Page 28
10th March 1925
Page 28

Page 28, 10th March 1925
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A Vacuum-actuated Brake With Few Parts.
A R6sume of Recently Published Patent Specifications. A VERY simple form of vacuumactuated brake is described in the specification of W. 0. Kennin g ton, No. 228,225. In this......