Telegraph Register

Description (Brief)
This incomplete telegraph register is missing the electromagnets, embossing lever and other parts. Serial number 214 is stamped on the piece and a faint maker's mark appears on the brass base plate: "J. N. ...". The register came to the Smithsonian in 1904 from the Delaware & Hudson Company so we presume it saw service in their railroad system.
Telegraph registers are electrically-activated printers that receive Morse code messages. The message travels as a series of electrical pulses through a wire. The pulses energize the register’s electromagnets which move a lever-arm holding a pen or stylus. A clockwork mechanism pulls a strip of paper across the pen or stylus, recording the message. Short pulses draw or emboss a dot, slightly longer pulses a dash. The sequence of dots and dashes represent letters and numbers.
Location
Currently not on view
Object Name
telegraph receiver
telegraph register
Physical Description
wood (overall material)
brass (overall material)
Measurements
overall: 6 3/4 in x 6 1/4 in x 12 3/4 in; 17.145 cm x 15.875 cm x 32.385 cm
ID Number
EM*231799
catalog number
231799
accession number
43583
subject
Communication, telegraph
See more items in
Work and Industry: Electricity
Communications
Telegraph Registers
Data Source
National Museum of American History, Kenneth E. Behring Center

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