The Bulletin of the Airplane Engineering Department U.S.A. Volume 1, number 3 for August 1918
Dayton, Ohio: Published by the War Department Bureau of Aircraft Production, 1918. Folio, original printed wrappers, 114 pp, diagrams throughout. Cover a little marked, spine chipped but binding sound nonetheless; overall, a very good copy. Confidential publication with registration number 2876. More