The evaluation of a method of teaching ninth grade general drafting

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Josserand, Louis L., author

Hinderman, Roy Aaron, 1900-, advisor

Newkirk, Louis V., committee member

Yingling, J. B., committee member

Betts, Gilbert L., committee member

Clark, Andrew Giles, committee member

Durrell, L. W. (Lawrence Wood), 1888-1970, committee member

Kezer, Alvin, 1877-, committee member

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Mechanical drawing -- Study and teaching