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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 210

An illustration from Mechanical drawing problems for high schools, normal schools and vocational schools, 1918, leaf 210 — 7-i- iz Drill 3, e4- W—^ J_ ^ 16 HANDLE. Mch. Steel. . Finish aUover. n^ Drill jg. … 3^ 1 ^i NUTCast Brass .j_ ^5\, 9 r)|VO _JL_ i^ f^x 6^ RETAINERBrass ViaE DETAILS 208

Mechanical drawing

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