OCR Text |
Show Machine Demonstrates the Working of a Tire An automobile tire company displays dis-plays In Its salesrooms in New York one of the most perfect machines yet devised for demonstrating the working of a tire under road conditions. Mounted Mount-ed on a heavy stand, a big Iron drum Is driven by an electric motor. An axle and wheel are mounted over the drum, with the tire In contact with It and bearing Its weight. The tire Is under the same pressure as If on a loaded touring car. The test, a most severe one, consists In driving nails, spikes, etc., Into the tire and tube and then running with them In at a rate of about twenty-five miles an hour. The machine ma-chine Is operated by electric power and Is also equipped vith a speedometer, which gives a correct speed of wheels, as If In real rond rise. i |