11th February 1949, Page 26
11th February 1949
Page 26

Page 26, 11th February 1949
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An Automatic Electro Magnetic Clutch
I NTEREST in the possibilities of magnetic clutches seems to be re-awakening, and a new design for such a device is shown in patent No. 609,979 : by J. laird, and .Joseph Lucas,......