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Mechanical drawing; working drawings (1911)
Babbitt, Arthur B. (Arthur Bradford), b. 1873 · New York, H. Holt and company · leaf 145
Plate 12. Extra Plate 134 MECHANICAL DRAWING i-- D/orr?e /-ers ( y/ \^e/7 . arc ot sc/e^es /WaAe of croi^r? ,-f; mo/s fhcrr> … Cone Po//ey ,^£^ -tJ-L_:. _ t- -i i. _ i - .1I 2iMechanical drawing
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