Inside Out Library
Machinery pattern making (1894)
Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 37
Iuj. 13 Tool for. laying out Hexagon Nuts JFig. 14. mi^^m i^e^^^^g^ liy. 15. Dry Sand Cores^ C … HoIV to Cast Boxes on the Sides of Frames.Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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