poles are nearly 8 feet froni the track, the three seen in operation may be noted in the accompanying and hoisting engine and some platforms and timber- photographic and diagrammatic views showing de- conductors being mounted vertically one above the ing of the tunnel shaft. The most serious… … lower end being direct- Manhattan Bye and SIEMENS-HALSKE HIGH-SPEED POLYPHASE CAR. ly connected to the Bar Infirmary were track. Copper rail-bonds are used, and ground plates ger and apparatus rooms. Cross seats are provided completely shattered, the same effects being produced are placed at each…
Nernst · Patents · Incandescent · Air · Lamp · Nernst lamp · Scientific American · Compressed air · River bridge · Nernst lamps · Incandescent lamps · Horse power · East river · Rain gage · Rapid transit
Internet Archive · Public domain (published before 1931). Free to use for anything.
