Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 486
SeclionAB Gauge^8^2 Recording End of Tie. /00/b Standard RailNo 8 Splice … R ecording Tie Showing Ball and Boiler Plate Strip. nith it some decided limitations which must not be overlooked.Each run. whether wih one or more vehicles, made a sin2:leimpression on each plate. While it was assumed that the inden-tation was that of the heaviest impact, it is possible that two…
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