. The street railway review . U. S. PROJECTILE CO. The U. S. Projectile brand of pinions and gears exhibitedby this company were well worth inspection. The pinions areturned out by a novel process. A billet of 30-carbon steel is usedand, after treating to harden it, it is put over a die, through whichit is forced in 30 seconds, by hydraulic pressure of over a millionpounds. The steel is proportionately hardened by solidifying, itis said, and a continuous grain is obtained. The companys openhearth cast steel cut motor gears are cut so as to produce mechan-ically correct teeth. The company is re
. The street railway review . U. S. PROJECTILE CO. The U. S. Projectile brand of pinions and gears exhibitedby this company were well worth inspection. The pinions areturned out by a novel process. A billet of 30-carbon steel is usedand, after treating to harden it, it is put over a die, through whichit is forced in 30 seconds, by hydraulic pressure of over a millionpounds. The steel is proportionately hardened by solidifying, itis said, and a continuous grain is obtained. The companys openhearth cast steel cut motor gears are cut so as to produce mechan-ically correct teeth. The company is represented at the exhibit bySecretary Charles E. Porter, and Messrs. B. Willis Stone and LouisRobert. 1011 \ STEPHENSON CAR. On Madison avenue, near the main entrance to the Garden, isa long semi-convertible car made by the John Stephenson Co. forservice in Utica, N. Y. It is mounted cm the Stephenson No. 20truck, and differs from other semi-convertible cars in that the win-dows are in two sections and the top windows sli
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
