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21st December 1926, Page 70
21st December 1926
Page 70
Page 70, 21st December 1926
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A New Idea For Preventing Detonation.

A Resume of Recently Published Patent Spedlications. "EDWARD SOKAL, of New York. in j 1 1 his specification, No. 261,052, points out that, in engine design, the tendency to......