Inside Out Library
How it flies; (1910)
Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 184
(/50/.C) 1Sectional diagram of 2-cylinder Darracq opposed motor. … Diagram, of 4-cylinder Darracq opposed motor.Aeronautics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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