00868cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035002000092040002700112042001200139050002000151110003800171245013300209260004300342300007400385500009100459650002400550710004700574999001700621war21000068 DLC20260227112812.0831021s1921    dcuaf        f000 0 eng    awar21000068   a(OCoLC)10043050  aDLCcFDbERdOCoLCdDLC  apremarc00aTL705b.U5 19201 aUnited States.bArmy.bAir Corps.17a...The airplane propeller.cPrepared by the Propeller section, Engineering division, McCook Field, Dayton, Ohio.  January, 1920.  aWashington,bGovt. print. off.,c1921.  a337 p.bincl. illus., tables, fold. pl., diagrs (part fold) ;c23 cm.  aOn verso of t.p.:  War department.  Document no. 998.  Office of the adjutant general. 0aPropellers, Aerial.1 aUnited States.bAdjutant-General's Office.  c92373d92373