Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 142
18 to 19 iyz:F: 20 fo21t^. T 3-72 22 to 24 VA, P. 52_ 2-70 _i- •51 2-01 i 2S to 27 IVz.P. 28 to 31 iVz. P. ^^ to 3.? l\i. P •55 1^60 i … FULL SIZE GEAR TEETH. F)-oiii Prof. S. W. Rob ins oils Templet Odontograph,
Patternmaking
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