Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 34
re all for double track, with wrought iron super-structure, and were built by contract by Mr. E. Gouin, of France,from IbSy to 1862. The piers are all of cast iron tubes, protectedby ice breakers, and filled with a concrete composed of ro]tlaii(lcement, 1 part; sand, 2 parts; broken stone, with a… … ]J-I_IJJ SfiiionIhmiifjli fiihr Sitir Kle\-(ilinii. Srrlioii t/iniiu/liCon err If.
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