. American engineer . paring the vehicle used for primingand surfacer coats for new and burnt off work must commenditself to the practical painter. The three carboys shown in Fig. 5 contain the paint vehicle for the priming and surfacer coats;each carboy holds about fifteen gallons and is air-tight, thuspreventing the contents from getting fat. The oil, turpentineand japan are mixed in proper proportions for the coats, putinto the carboys and drawn off by syphon as required. Thisarrangement prevents mistakes by the stockman and uniformresults are assured. J. W. Davidson, chemist of the Chicago
. American engineer . paring the vehicle used for primingand surfacer coats for new and burnt off work must commenditself to the practical painter. The three carboys shown in Fig. 5 contain the paint vehicle for the priming and surfacer coats;each carboy holds about fifteen gallons and is air-tight, thuspreventing the contents from getting fat. The oil, turpentineand japan are mixed in proper proportions for the coats, putinto the carboys and drawn off by syphon as required. Thisarrangement prevents mistakes by the stockman and uniformresults are assured. J. W. Davidson, chemist of the Chicago 6 North Western, introduced the use of the carljoy and syphonsystem for this purpose. LONG-HANDLED BRUSH FOR FREIGHT CARS. One of the most economical kinks in painting railway freightcars is the use of the long-handled brush. When this methodwas introduced on our road, I had a local brush manufacturermake a brush similar to the ordinary whitewash brush, buthaving double tiie stock securely bound with brass instead of. Fig. 5—Carboys for Holding Paint Vehicle. the usual leather binding, the handle being of sufficient lengthto reach the top of the highest box car. With the short-handledbrush still used on some lines, much time is taken up in erectingand handling the necessary staging, but in using this brush nostaging of any kind is required and the time formerly neededfor coating has been reduced fully one-half. Dead Weight of Vehicles Per Passenger.—In looking backon the history of transportation we find that a horse-drawn car-riage will weigh about 1,500 lbs. to 2,500 lbs., seating, on anaverage, four passengers and a driver, which gives a dead weightper passenger of from 300 lbs. to 500 lbs. This vehicle will moveat a speed of 6 miles to 8 miles an hour over a roadbed notcomparable to the worst kind of railway track. An automobileweighing 5 tons, seating 7 passengers and containing its ownpowder plant, moving with almost the same average speed as apassenger train over a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
