Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 22
o V Oo V J … CLASS Industrial trade Machinist hiAffiE Jolin W. Roberts date Mar. BO- 0$. THE CARNEGIE TECHNICAL SCHOOLS PITTSBURGH, PA. School of Apprentices and Journeymen MECHANICAL DRAniNG Sketching sc.^LE Full Size owe. No. C. I002i LESSON No. 7. PROPORTIONS.—^It is a verj valuable acquirement,…
Mechanical drawing
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