20th December 1921, Page 10
20th December 1921
Page 10

Page 10, 20th December 1921
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An Epoch-marking Power Un - It.
A Two-stroke Semi-Diesel Engine which . Burns Crude Oil, Weighs 11 lb. per h.p. and has a Compression of 300 lb. per Square Inch.' F OR. many . years clever designers have been......