3rd January 1936, Page 40
3rd January 1936
Page 40

Page 40, 3rd January 1936
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Opinions
and QUERIES A SUGGESTION FOR A CENTENARY OF ROAD 'MECHANICAL TRANSPORT. t4713l In the radio broadcast of " The Story of the Manchester Ship Canal," the disclosure of the......
A Safe And Ingenious Petrol Gauge
Mercury type Variable Resistance in Permanently Sealed Float T HE electric petrol gauge shown in the accompanying sketch was developed with the object of eliminating gearing,......