01199cam a2200289 a 4500008891249MiAaHDL32726734000000.0m d cr bn ---auaua890707s1921 ohu f 000 0 eng dsdr-njp.9920678583506421(NjP)Voyager2067858(OCoLC)19982618(NjP)2067858-princetondbCHU2988TSCITengCITSMIPULTL671Handbook of instructions for airplane designers /Engineering Division, U.S. Air Service.2nd ed.Dayton, Ohio :Engineering Div.-Air Service,1921.250 p. :ill., plans ;29 cm.Loose leaf."February 1921."Mode of access: Internet.committed to retain2017093020421231HathiTrustNjP22659711210006421Airplanes, Military.http://id.loc.gov/authorities/subjects/sh85002934AirplanesDesign and construction.http://id.loc.gov/authorities/subjects/sh85002801United States.Engineering Division.Air Service.00889124920221218040813.032726734000000.020240119033703.02026-03-18T17:37:29Z2026-03-18T17:30:03ZSDR-NJPnjpALMAprepare.pl-004-008BKsdr-njp.9920678583506421njpSDRNJP2067858njp.32101042832400NJP9920678583506421NJPNJP20260318googlenjp.321010428324001921pdbibUS bib date1 < 1931