. Locomotive engineering : a practical journal of railway motive power and rolling stock . ■1990999999999999999999993190909. ■ . ■• 99999)^ IT IS EASIER ong I linn In make it durable. Strength its simply a question ofcotton duck, and so small ■ quantitythai the cosl Is comparatively controlling element is rubber, and it*quality determim te of thi w ii the :. could not bold air, and a <:raok in the rubber means afailute in the hose. What causes cracks ? Tl istant swinging and twisting of tie hose. WIiki prevents them ? The els• •T the rubber. It follows that high
. Locomotive engineering : a practical journal of railway motive power and rolling stock . ■1990999999999999999999993190909. ■ . ■• 99999)^ IT IS EASIER ong I linn In make it durable. Strength its simply a question ofcotton duck, and so small ■ quantitythai the cosl Is comparatively controlling element is rubber, and it*quality determim te of thi w ii the :. could not bold air, and a <:raok in the rubber means afailute in the hose. What causes cracks ? Tl istant swinging and twisting of tie hose. WIiki prevents them ? The els• •T the rubber. It follows that high elas-ticity means high durability. lint high elas- ticity 11I- means highcost: hence the tempta-i ion to use i ubber slightlybelow the proper stan-dard. the rubber in 1846 PARA ANDDOUBLE DIAMONDHOSE 18 EXCEPTION-ALLY ELASTIC. Air Brake //on-.( jr Htg hWater Uose,Packing, Gaskets &* Rings,Rubbbr Belting,Rubber Matting,Rubber Tiling. NEW YORK BELTING& PACKING PIONEERS AND LEADERS,25 PARK PLACE. • •- UNITED STATES METALLIC PACKING CO. o in —. SAND IS INVALUABLE INEMERGENCIES if its in the right place. Thats just where the c DEAN PNEUMATIC ! SANDER 1 puts it. Cant fail to work because of ob-structions—blows them out, no matter howlarge. Easily applied to any sand box withoutcutting. Is simple, cheap and can use poorersand than any other. WE MAKE U. S. METALLIC PACKING For PISTONS, VALVE STEMS and AIR PIMPS. GOLMAR PNEUMATIC BELL RINGER, CHOUTEAU PNEUMATIC HAMMERS. - • •- United States Metallic Packing Company, 427 North Thirteenth Street, PHILADELPHIA, PA. • UNITED STATES METALLIC PACKING CO. • 800 LOCOMOTIVE ENGINEERING. ($»m »#» The WestinghouseAir-Brake Company The WestinghouseAir-Brake Company <$»<$»<$• is now prepared to fill orders at an hours ♦ notice for one or one thousand sets of AIR- j BRAKES FOR FREIGHT CARS, hav- f ing at their new works an annual capacity for turning out air-brakes for « « « ♦ J 250,000 FREIG
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Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
