Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 228
14 IH P. i^ ly^ P ^^ <o 17 IH. P 5-02 18 to 19 IH- P. 20 to 21 1%: P. 22 to 24 IHJ P J72 2-70 2-01 L i 25 to 27 m: p. 28 to sir ly^: p. 32 to ssi ih: p. … FULL SIZE GEAR TEETH.from Prof. S. W, Robinsons Templet Odontograph. 42 to 47 2H P 4S to 62 2H. r.
Patternmaking
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