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