View all text of Subpart 113.35 [§ 113.35-1 - § 113.35-17]
§ 113.35-13 - Mechanical engine order telegraph systems; operation.
If more than one transmitter operates a common indicator in the engineroom, all the transmitters must be mechanically interlocked and operate in synchronism. A failure of the transmission wire or chain at any transmitter must not interrupt or disable any other transmitter.