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Mechanical drawing problems for high schools, normal schools and vocational schools (1918)

Berg, Edward. [from old catalog], Kronquist, Emil F. (Emil Fritjoff), b. 1882 · Peoria, Ill. : The Manual arts press · leaf 200

An illustration from Mechanical drawing problems for high schools, normal schools and vocational schools, 1918, leaf 200 — ^REVOLVEO aECTIOM. &IOE. \/IE>A/ HAL-F IN GECTION … A ^ A .ISOLATES SECTIONS. SQUARE. Of=( FfEiCT/KNGUl-AH I^ETAL. FiOD& . Square, ori^je-Ctangulafj wood. BROKENSECTION

Mechanical drawing

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