Cover Nelson H.C. CHECKING RULES FOR MECHANICAL DRAWING
Id: 152089

CHECKING RULES FOR MECHANICAL DRAWING

32 pp. (English).

Summary

32с

1931г

CHECKING RULES FOR MECHANICAL DRAWING

BY

HOWARD C.'XELSON, B.S.

Ins^sifptor of .MecJianicdl- Drawing *fMojimouth High School Monmouth, Illinois

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THE MANUAL AT?TS PRESS

PEORIA. ILLINOIS