Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 73
3 JT\T Fig. 48. 3. On a tapered piece that does not fit anything, give thesize at each 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…
Mechanical drawing
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