shaft ‘carries a a central passage. The dynamos and engines are sup- horse power, with a direct-current dynamo of 300 kilo- heavy fly-wheel on one side and on the other a direct- current dynamo of 680 kilowatts, giving 500 volts. ported on massive foundations in concrete, going down watts at 250…
Internet Archive · Public domain (published before 1931). Free to use for anything.