. Railway mechanical engineer . ill handle one arc and is rated at 150amperes. The largest machine, rated at 1,200 amperes, willhandle eight arcs at the same time. The arcs are operatedin multiple, hut a separate control panel must be used foreach. The use of a separate control panel makes eachoperator entirely independent of the other. A portablemachine for field use is mounted on a gasoline motor truckwhile the shop type is mounted on a hand truck. AIR STRAINER FOR LOCOMOTIVE AIRPUMPS The Gustin-Bacon Manufacturing Company. Kansas City,Mo., has recently placed on the market an air strainer f
. Railway mechanical engineer . ill handle one arc and is rated at 150amperes. The largest machine, rated at 1,200 amperes, willhandle eight arcs at the same time. The arcs are operatedin multiple, hut a separate control panel must be used foreach. The use of a separate control panel makes eachoperator entirely independent of the other. A portablemachine for field use is mounted on a gasoline motor truckwhile the shop type is mounted on a hand truck. AIR STRAINER FOR LOCOMOTIVE AIRPUMPS The Gustin-Bacon Manufacturing Company. Kansas City,Mo., has recently placed on the market an air strainer forlocomotive air compressors which is made of malleable ironwith either Ij-in. or 2-in. fittings, and weighs 82 lbs. ^ tf °Taa^^ Section of the Locomotive Air Pump Strainer This strainer may be applied to the intake of the air com-pressor in either the horizontal or vertical position. It con-sists of a 6-in. by 4-in. cylinder, filled with oil-soakedcurled hair, through which the air must pass before it reaches. strainer Applied to the Air Pump the cylinder. This cleans the air of foreign matter before itpasses to the compressor. The strainer is provided with ahood that overlaps the outer wall of the cylinder for one inch. so that the air is drawn in from the under side of the hoodand not directly into the strainer. This construction pre-vents rain or snow from getting into the strainer and finallyworking into the cylinder. It also prevents the possibilityof squirting oil into the compressor, a practice that is be-coming too common with the enginemen. The curled hairbeing soaked with oil will prevent the strainer from freezingin cold weather. HACK SAW MACHINE A new hack saw machine has Ijeen placed on the marketby the L. S. Starrett Company, Athol, >Iass., which includesa number of interesting features. It is the first machine tobe put on the market b\- this compan)-, and was developedbecause of its connection in the metal cutting industrieswhere its hack saw blades are used
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
