Fry, Horace Pugh. [from old catalog] · Philadelphia [The John C. Winston co.] · leaf 61
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 … \//ROUGHT IRON STEAM, GA5 AND WATER PIPE NATIONAL tube: COMP/VNY — STANDARD DIMENS\ONS DIAMEITEIRS NOMINALINTERNAL ACTUAL- INTERNAL- STANDARD EXTRAHEAVY EXTERNAL TRANSVERSE INTERNAL AREAS 5TANDARD EXTRAHEAVY THREADS NOPERINCH LENGTHTHREADED LENGTHPERFECTAT ROOT DRILLHOLEFORTAP % I 2 3 3/, 78 310I…
Mechanical drawing
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