. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Increased lubricating efficiency—thats what we want you to stop amoment to consider. And its amighty vital thing this problem oflubrication. Just how vital you rea-lize when you remember that an en-gine couldnt run without it. Now Dixons Flake Graphite has some properties that no otherlubricant of equal value Graphite is a solid, it is notsubject to heat or cold, will with-stand the greatest pressures, and isunaflfected by acids or alkalies. Doyou know of any oil or grease tha
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Increased lubricating efficiency—thats what we want you to stop amoment to consider. And its amighty vital thing this problem oflubrication. Just how vital you rea-lize when you remember that an en-gine couldnt run without it. Now Dixons Flake Graphite has some properties that no otherlubricant of equal value Graphite is a solid, it is notsubject to heat or cold, will with-stand the greatest pressures, and isunaflfected by acids or alkalies. Doyou know of any oil or grease thatwill stand such tests? Write for our new booklet C-69on Dixons Ticonderoga FlakeGraphite—sent to you free. Air Brake Cylinder Cup Packing. Leather packing for general hydraulicand pneumatic use has been made inwhat is known as the cup shape, but upto the present this method of manufac-. hdble G). ^JcrsejGfy, NJ. May, 1909. RAILWAY AND LOCOMOTIVE ENGINEERING 223 GOLD CarHeating & LightingCompany Manufacturer! o( ELECTRIC,STEAM ANDHOT WATERAPPARATUS FOR RAILWAY CARS IMPROVEDSYSTEM OFACETYLENECAR LIGHT-ING Largest Manufacturers in ttie World ofCar Healing Apparatus Send for circular of our combina-tion PRESSURE AND VAPORSYSTEM OF CAR HEATING,which system automatically main-tains about the same temperature inthe car regardless of the outsideweather conditions. Main Office, Whitehall Building 17 BATTERY PLACE NEW YORK ture has not been applied to the leatherpacking used in the air-brake cylindersunder cars. Several of our leading rail-roads have been making tests of thecup packing recently placed on themarket by E. F. Houghton & Co., ofIhiladelphia. Their packing is knownby the name Vim. The ordinary procedure is to submitwhat are called oak and hemlockleathers to the action of tannic acid ina bath which contains oak or hemlockbark. The process is practically one
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