Although in a vacuum electric current can be expected to travel at nearly the speed of light, telegraph wires, particular those placed underwater, suffer from a retardation of the signals sent ...

On Easter Sunday, telegraph wires hummed with holiday messages. Suddenly something went blooey. Teletype messages began to arrive in jumbles like pied type. Short-wave radio to Europe, to ships at ...

As a matter of fact, it is a decided advantage to place the station as far from town as possible, because buildings, trees, telegraph and telephone poles and wires, all tend to absorb a large part ...