Fry, Horace Pugh. [from old catalog] · Philadelphia [The John C. Winston co.] · leaf 61
locomotive practice, is a fair sample:Bolt Taper -h in 12. Boiler Taps 1 in 12.Cross-head Pins Y in 5. Brass Cock Plug 2Y in 12.Cross-head Key f in 8Connecting Rod, Stub Keys and Cotters STANDARD STEEL TAPER PINS. 1. These pins, made byPratt and Whitney Co., taper \ per foot, and lengths vary by \.… … CONVENTIONAL METHOD TO BE5ED WHEN D, AFTER BEING DRAWN TO SCALE, MEASURED LE55 THAN ONE INCH.PIPE THREAD TAPERS I IN 31 TO AXI3.OrJ|N DiAM.PER FOOT.DRAW PIPETHREADSAS SHOWN.ACTUALLYTHE THP5,FURTHESTFROM ENDARE NOTPERFECT,SEE TABLE
Mechanical drawing
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