. Railway age gazette . Fig. 3—Old Style End Mill action of any metal cutting tool and it is a well known fact thata slight change in the angle of rake has a marked effect on itscutting efficiency and the power required to drive it. The thought. U-/—H IpAcrosi ; 7* I _ , ,, , Flafs ~^ Te I* Carbon 3iee!

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1913