Inside Out Library
Machinery pattern making (1894)
Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 226
G3 to ISO 2H: p. … FULL SIZE GEAR TEETH./rofft Prof. S. W. Robinsons Templet Odontograph. 48 to G2 IH. P. 63 to 130 IH. P. ^31 to sSo IM. JP.Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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