Published by P.M. Heldt, NY, 1926
Seller: Orca Knowledge Systems, Inc., Novato, CA, U.S.A.
Hardcover. Condition: Very Good. Vol. 1, 7th edition. No DJ. Inked name on inside front cover: Mason D. Hanes, October, 1927. No other markings in book. Lightly read. Binding is tight. Laid in is short newspaper article about aircraft engineers 'watching with considerable interest the first commercial tests of the new Hornet motor which utilizes the principle of alomization and injection of gasoline' Article has no date. 728pp.