A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 88
Fie. 86 MECHANICAL DRAWING 85 block has iwo ^-inch bolts, one on each side of thestrap. This makes six bolts in all. The hole on theend of the strap is for oil. Copy in Gothic slant lettersthe stock list. Fig. 89. … Fig. 87 When the drawing of a machine problem is com-pleted, it is first sent to the patternmaker, who makesa model in wood from it. He must know from ex-perience the amount of material to allow for shrinkage gPiN Key
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
