Synonyme wurden verwendet für:
NACHRICHT
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keywords:(NACHRICHT)
The naval radio stations of the Panama canal zone
Wireless telegraphy and safety in maritime navigation
The telephone and its relation to electric tramways
Underground wires on the Panama railroad
New improvements in traffic distribution for telephone exchanges
Obligatory equipment of ships with wireless stations
The wireless as an adjunct in the operation of a railroad
Operating railway selectors without batteries
The application of radiotelegraphy to the air ship
The wireless telegraph installation on the steamer "imperator"
Traffic distribution in manual telephone exchanges
The two-tone vibrating transmitter and inductive signaling
Examination of telegraphers for railroad work
Rulings for public wireless service in Germany
A Hughes printing telegraph of large capacity