. American engineer . Fig. 1—Gasolene Tire Heater. fire from the burner. The burner is made of a ^ in. gas pipe,which is bent to a diameter 1 in. larger than the diameter ofthe tire. An overlap of 6 in. is provided to allow for tires ofslightly different diameters. The holes for the gas are 5/32in. in diameter and are spaced J^ in. apart. Handles are pro-. system at a pressure of about 90 lbs., a 16 in. brake cylinderbeing used on a lever of 30 to 7. which will give a thrust onthe plunger of approxi^tcly lbs. The machine is sim-ply constructed and may be easily made where there are ac-

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912