New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 149
o in. of wearing face in the beginning whichwill increase in width to 3^. in. when the bottom of theclearance space ?i is reached, giving an area of 22>o in. Thewear of this type of inner coupler faces has proved thefact that, in passenger service operating under the com-
Railroads · Railroad cars
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