Electric Contact Telegraph Controller

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Electric Contact Telegraph Controller

 

an automatic controller designed to maintain a nominal rotation frequency on the shaft of an electric motor used in the drive of an electromechanical telegraph. The speed regulation reduces distortions that may arise during the transmission of telegraph signals.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.