. American engineer and railroad journal . Car Shoes. Flange Diamond S—Maximum friction, best results on tires. Unflanged Diamond S—Strong retarding effect, effeiservice, good durability. The U Brake Shoe—Steel Tired and Chilled Wheels-Max-imum durability, maximum strength, maximum retarding ef-fect consistent with these. Reinforced Steel Insert (Herron) Coach Shoe—Maximumstrength, maximum durability. HEAVY VERTICAL BORING MACHINE. The Bentel & Margedant Co., manufacturers of wood-workingmachinery, have placed on the market a six-spindle car boringmachine which is designed for the heaviest wor
. American engineer and railroad journal . Car Shoes. Flange Diamond S—Maximum friction, best results on tires. Unflanged Diamond S—Strong retarding effect, effeiservice, good durability. The U Brake Shoe—Steel Tired and Chilled Wheels-Max-imum durability, maximum strength, maximum retarding ef-fect consistent with these. Reinforced Steel Insert (Herron) Coach Shoe—Maximumstrength, maximum durability. HEAVY VERTICAL BORING MACHINE. The Bentel & Margedant Co., manufacturers of wood-workingmachinery, have placed on the market a six-spindle car boringmachine which is designed for the heaviest work in car shopsand ship yards. The boring spindles shown in the accompany-ing illustration of this machine are each driven by an inde-pendent belt and will take augers up to 3% ins. in allows any of the spindles to be thrown out of motionwhen desired and gives a greater amount of power as no idlerpulleys are used. The spindles have a vertical movement of14 ins. and are adjustable back and forward across the width. Six-Spindle Vertical Car Boring Machine. of the table with a range of 16 ins. In addition to these move-ments the two outside spindles have a radial motion in eitherdirection for boring angular holes An automatic travelingtable of any desired length from 10 to 40 ft. rests and moveson the top of large rollers placed at intervals in heavy housingsThese housings all run in dove-tail slides and are adjusted bymeans of screws and hand-wheels. The feeding of the table isdone by a heavy pinion running in a rack and driven in eitherdirection by reversible friction pulleys. For short distancesand work requiring accurate setting, a lever ratchet hand feedis provided for feeding the table. The address of the Bentel &Margedant Co. is Hamilton, Ohio. 288 AMERICAN ENGINEER AND RAILROAD JOURNAL. THE NORWOOD SYSTEM OF BALL BEARINGS ANDCENTER PLATES. It was noticeable at the Saratoga convention this year thatmore than the usual amount of attention was paid to car
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
