Details of electric clock system of Berlin Railway Administration comprising main central at Schlesischer Bahnhof, sub-centrals, and relay clocks, covering entire Berlin district and suburbs; astronomic precision pendulum clock, Richter system, and electric distributing clocks.
Railway electric time service plants
Elektrische Zeitdienstanlagen bei der Eisenbahn
Dinglers polytechnisches Journal ; 340 , n 15
1925
7 pages
15 Figs.
Aufsatz (Zeitschrift)
Deutsch
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