Inside Out Library
Machinery pattern making (1894)
Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 230
FULL SIZE GEAR TEETH.from Prof. S. W, Robinsons Templet Odontograph. 42 to 47 2H P 4S to 62 2H. r.Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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