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Scientific American, Vol. 79, No. 26 (1898) (1898)
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een removed in other side delivering it to toto to make way for the thereturn conductor. The cast iron yokes and mas- shank of the plow consists sive 107-pound rails which of three steel plates, the are the standard construc- 1—LAYING DUCTS FOR ELECTRICAL EQUIPMENT OF BROADWAY CABLE ROAD. outer… … Current for the whole of observed on the sidewalk to the left ready to be the underground system, © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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