Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 74
ch end and its length. The rate of taper must not begiven. 4. There is no universal standard for tapers, different lines ofwork and different shops adopt tapers suitable to their require-ments. The following, used in locomotive practice, is a fair sample: Bolt Taper ^ in 12^ Boiler Taps \ in… … F^IL\_I5TER HCAD HFh- tS NO FUAT HEAD ROUND HEAD Fll_\_lSTER HEIAD 2 3 -4 5 & 7 8 9 lO \2. 14 16 18 20 242G2830 .0842.0973.1 105.I23&.1368• ISOO.1631.1763.1894.2158.2421.2684.2947.3210.3474.3737.4 GOO.4263A5Z6 ,1631 ,1894 ,2 158 .2421 .2684 ,2947 ,32IO ,3474 ,373 7 ,4-263 ,4790 ,5316 ,5842…
Mechanical drawing
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