. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Of all the catalogues of tap and diemakers, which come to our office, per-haps the illustrated catalogue of the Carter Tap and Die Company, ofPawtucket, R. I., is the most easilysingled out. To begin with the cata-logue has a good index at the beginningand the next few following pages il-lustrate and describe the various formsof screw threads, which are used. Theseare the V thread. United States Stan-dard, Whitworth (English), the Carriagebolt thread, the 29° Acme standard andthe Interna
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Of all the catalogues of tap and diemakers, which come to our office, per-haps the illustrated catalogue of the Carter Tap and Die Company, ofPawtucket, R. I., is the most easilysingled out. To begin with the cata-logue has a good index at the beginningand the next few following pages il-lustrate and describe the various formsof screw threads, which are used. Theseare the V thread. United States Stan-dard, Whitworth (English), the Carriagebolt thread, the 29° Acme standard andthe International and French (metric)thread. Then comes a complete illus-trated array of all the various taps and. Brass, I^ in., $ net HOMESTEAD STRAIGHTWAY LOCOnOTIVE Biow-off Cocks IRON BODY. BRASS PLUGTurns easily, but when closedvalve is forced tightly to seat Homestead Valve Mfg. Co., PITTSBURGH, PA.,
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
