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14th May 1914, Page 26
14th May 1914
Page 26
Page 26, 14th May 1914
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Patents Completed.

A Rotary-valve Engine. Adjustable Brake-shoes. Fowler Improvements. Sin C. S. FORBES, No. 9156, dated 19th April, 1913.— Difficulty is experienced with rotary valves in......