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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 118

An illustration from Mechanical drawing problems for high schools, normal schools and vocational schools, 1918, leaf 118 — has been drilled or bored. It is used to reduce the size of the hole or to line it with a goodbearing surface. The bushing in the drawing is made to fit the end bearing in the crankcase of a gas engine and forms a bearing surface for the revolving crank shaft. A\hen thebearing becomes worn thru…

Mechanical drawing

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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