00968cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035002000092040002500112042001200137050002500149051001200174100002700186245020000213260005000413300003300463501013800496650002400634650001500658700005300673e 30000081 DLC20260227111219.0830721s1930 dcua 000 0 eng  ae 30000081  a(OCoLC)29093629 aDLCcMnUdOCoLCdDLC apremarc00aLC1045b.A25 no. 142 c2d set.1 aCushman, Frank,d1879-10aVocational training for airplane mechanics and aircraft engine mechanics: tentative partial analyses of the trades with suggestions relative to the organization and operation of training courses. a[Washington,bU.S. Govt. print. off.,c1930]. aviii, 45 p.bdiagrs.c23 cm. aWith : Granite cutting / George Albert McGarvey. Washington : Govt. Print. Off., 1929. Bound together subsequent to publication.5DLC 0aMechanics (Persons) 0aAirplanes.1 aKlinefelter, Cyril Faivre,d1891-ejoint author.