Telegraph Register

Description (Brief):

This later-model Bunnell telegraph register came in a portable carrying case and included capacitors that allowed researchers at the Bureau of Standards to conduct experiments.

Description (Brief)

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.

Maker: J. H. Bunnell & Co.

Location: Currently not on view

Web Subject: Communication, telegraph

Subject:

See more items in: Work and Industry: Electricity, Telegraph Registers, Communications

Exhibition:

Exhibition Location:

Credit Line: from the National Bureau of Standards, thru F. M. Diefendorf

Data Source: National Museum of American History

Id Number: EM.316733Catalog Number: 316733Accession Number: 228178

Object Name: telegraph receivertelegraph register

Physical Description: wood (case material)brass (overall material)paper (overall material)copper (overall material)leather (overall material)felt (overall material)Measurements: overall: 12 in x 8 in x 18 in; 30.48 cm x 20.32 cm x 45.72 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a5-3940-704b-e053-15f76fa0b4fa

Record Id: nmah_706342

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