The Kuhlmann device of assisting electric cars on heavy grades by counterweights on a sub-surface track. Full description of the work as adapted to the College Hill line at Providence, R. I.
Electric railway counterweight system
St Ry Rev
1895
Illustrated
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Counterweight tray, counterweight assembly and hoisting equipment
Europäisches Patentamt | 2025
|