Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 150
22 to 24 2.P. 1 •72 \ 2-68 \ FULL SIZE GEAR TEETH.From Prof. S. \V. Robinsons Templet Odontograph. 2S to 27 2: r. … 2S to 31 2.P. ( •7G \ 18G / 36 to 41 a.P.
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
