Describes the invention of Frederick J. Shewring; also the device invented by Edwin A. Leland. (700 w.)
Trolley connection and locomotive for towing canal boats
Elec Eng, NY
1897
Ill.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1911
|The American canal towing system of wood and the double-rail locomotive system
Engineering Index Backfile | 1906
|WORK BOATS - New Tug Joins Cenac Towing Fleet
Online Contents | 2003