01301cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035002000092040002700112050002100139051002800160110007100188245025100259260004300510300002400553500019400577500014800771650002400919650002700943650001700970740006000987war21000061 DLC20260227112812.0840227s1918 dcu f000 0 eng  awar21000061  a(OCoLC)10461535 aDLCcFDbERdFDbERdDLC00aUG643b.A5 1918b aUG643b.A5 1918b Suppl.1 aUnited States.bWar Department.bDivision of Military Aeronautics.10aGeneral notions of organization and tactical suggestions indispensable to the balloon observer,cissued by Division of Military Aeronautics, U.S. Army; information given by French instructors to Army Balloon School, American Expeditionary Forces. aWashington,bGovt. Print. Off.,c1918. a22 p. ;c18 1/2 cm. aSupplemented by: Supplement to the pamphlet entitled General notions of organization ... indispensable to the balloon observer... Washington, Govt. print. off., 1918. 15 p. tables. 18 cm. aOn title page of supplement: This Supplement is intended to supersede Part 1 of the pamphlet, which is erroneous in that it is not up to date. 0aBalloonsxTracking. 0aAeronautics, Military. 0aAir warfare.0 aBalloon observer, general notions indispensable to the.