Inside Out Library
Machinery pattern making (1892)
Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 172
la s.r. … FUIX SIZE GEAR TEETH. F7o/ii Prof. S. W. Robinson s Templet Odontograph. 22 to 24 3. r.Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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