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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 85

An illustration from Practical problems in mechanical drawing and blueprint reading, 1921, leaf 85
f^ATCH^T 3/SECT 45 ANGLE TO GET /6 TEETH 83 … WASHER

Blueprints · Mechanical drawing

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

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