No. 5 I In. Bf.low Treau. No. 6. i In. Below Tread. MICROPHOTOGRAPHS OF TIRE D. 88 DIAMETERS. 31 … No. 9. lA Im. Below Tread. No. 10. i In. Below Tread. MICROPHOTOGRAPHS OF TIRE C. 88 DIAMETERS. 33 with no decarbonization at the tread due to heattreatment, although this is undoubtedly due to thetire having been turned before being examined. In the C tire, which was new, it will be seen thatthe…
Railroad cars
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