Petit, Robert.
How to build an aeroplane / by Robert Petit, Translated from the French by T. O'B. Hubbard and J.H. Ladeboer ; with 93 illustrations.
New York : D. Van Nostrand, 1910.
Advertising matter: p. 119-122.
Airplanes -- Design and construction.
Hubbard, Thomas O'Brien, 1882- tr.
Ledeboer, John Henry, 1883- tr.
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