Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 54
Fig. 3 … CLASS Industnal toaoc Machinist NAMc John IV. Roberts date Dec. /8- 06. THE CARNEGIE TECHNICAL SCHOOLS P/TTS8Uf>aH, PA. School of Apprentices ano JotjfiUCYMEU MECHANICAL DRAWIHQ Thz Ellipsc SCALE Full Si-ze DWG.No. CJ0I6 LESSON No. 22, ENGINEERING CURVES.—The principle of this lesson is…
Mechanical drawing
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