The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 189
24 teeth. The width of land on all regular taps should be1-32 inch wide to every % in diameter, as shown at B. Thisrefers to standard sizes only. Figure 48 represents the shape of cutters for cutting theteeth in formed cutters, worm wheel-hobs, etc. Figure 49, represents the best style of milling… … 1 s$ I vV ate THE MACHINIST AND TOOL MAKER S INSTRUCTOR. 185
Machinery
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