Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 206
FULL SIZE GEAR TEETH.Frof/i Prof. S. W. Robinsons Templet Odontograph. … FULL SIZE GEAR TEETH. From Prof. S. IV. Robinsons Templet Odontograph. 20 to 21 2^il r. 22 to 24 2H: p.
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
