The wonders of modern mechanism. A résumé of recent progress in mechanical, physical, and engineering science (1896)
Cochrane, Charles Henry, 1856- · Philadelphia J.B. Lippincott · leaf 60
ailroads, why cannottrolley canals carry freight cheaper than the steam-rail-roads ? This is the question which those who are studyingthe matter are trying to solve. During the latter part of CANALS, OLD AND NEW. 53 1893, F. W. Hawley, of Pittsford, New York, beganexperimeuting with street-railway… … THE TROLLEY TUG ON THE CANAL DE BOLRGOGNE. was then devised for allowing such boats to pass each otheron the canal. This is accomplished by supporting thetrolley-wires on cross-wires so that the trolley wires arefree to slide sideways on the insulating connections. As itwould be expensive to fit up…
Inventions · Mechanical engineering · Machinery
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