No. 47. Slag Crack in Solid Part of No. 48. Manganese Bisulphide Spots. Tire.MICROPHOTOGRAPHS OF SHELLED-OUT TIRE B. … No. 49. At Edge of Shelled-out Spot. No. 50. Slag Flaw Near Edge of Solid Metal.MICROPHOTOGRAPHS OF SHELLED-OUT TIRE A. 65
Railroad cars
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