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Practical problems in mechanical drawing and blueprint reading (1921)
Sturtevant, Walter W. [from old catalog] · Minneapolis, Minn. : Practical problems co. · leaf 73
Tip -Vh-M BRACKET 71 SPEC/F/CAT/ONS:-.IS T0.2S CARBON-ROUffJ^ TORN TO /.26S S^AFTEf^ HARDEMA/e Gfi/ND / ^p/A t ,0006 … HBlueprints · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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