Inside Out Library
Machinery pattern making (1892)
Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 158
FULL SIZE GEAR TEETH. F^om Prof. S. JF. Robinson s Templet Odoiitograph. 14 2H/JP … 16 to i: r 2%: p. ( •R2 \ 8-37 —] 18 to If) 2H. r.Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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