00704cam a22002171 4500 l 31000001 DLC 20260227111533.0 830630s1930 dcua 000 0 eng l 31000001 (OCoLC)16760726 DLC OrPS OCoLC DLC n-us--- HD8051 .A62 no. 523 United States. Bureau of Labor Statistics. Wages and hours in the manufacture of airplanes and aircraft engines, 1929. Washington, U.S. Govt. print. off., 1930. iii, 53 p. incl. tables. 23 cm. Wages Aircraft industry United States. Hours of labor United States. 36000 36000