Telegraph Key

Telegraph Key

<< >>
Usage conditions apply
Downloads
Description (Brief)
Telegraph keys are electrical on-off switches used to send messages in Morse code. The construction of this German key is heavier than most American models used in land-line telegraphy. The telegraph system in Germany was operated by the Deutschen Reichpost (German Post Office) for whom Siemens & Halske made this key.
Location
Currently not on view
Object Name
key
telegraph key
Other Terms
telegraph key; Telegraphy
date made
ca 1890
maker
Siemens & Halske
Physical Description
wood (overall material)
brass (overall material)
Measurements
overall: 4 1/2 in x 3 1/2 in x 6 1/2 in; 11.43 cm x 8.89 cm x 16.51 cm
ID Number
EM.327960
catalog number
327960
accession number
271855
Credit Line
from the Museum of Science and Industry (Chicago)
See more items in
Work and Industry: Electricity
Communications
Telegraph Keys
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object