Patent for "new and useful improvements in engines" (lines 5&6). "This invention relates to engines and more particularly to twin engines of the hydrocarbon or internal combustion type" (lines 8-10).
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Description
Patent for "new and useful improvements in engines" (lines 5&6). "This invention relates to engines and more particularly to twin engines of the hydrocarbon or internal combustion type" (lines 8-10).
Physical Description
3 sheets, 3 p. : ill. ; 23 cm.
Notes
Specification of Letters Patent; Application filed August 6, 1912. Serial No. 713,601 (No model).