19th November 1914, Page 20
19th November 1914
Page 20
Page 20, 19th November 1914
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Patents Completed.
Unic Universal Coupling. Lacre Hoisting Gear. Front-drive Gearing. An Improved Variable-speed Gearbox. E. W. THOMAS, No. 21,237, dated 19th September, 1913.— In the accompanying......