telegraph demonstration device

telegraph demonstration device

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Object Name
Demonstration Device
telegraph demonstration device
Other Terms
Demonstration Device; Telegraphy
date made
ca 1972
Western Electric
overall: 16 1/8 in x 9 1/8 in x 8 1/2 in; 40.9575 cm x 23.1775 cm x 21.59 cm
key: 1 1/2 in x 3 1/4 in x 5 in; 3.81 cm x 8.255 cm x 12.7 cm
sounder: 4 1/2 in x 5 1/2 in x 3 in; 11.43 cm x 13.97 cm x 7.62 cm
resonator: 15 1/4 in x 6 3/4 in x 5 in; 38.735 cm x 17.145 cm x 12.7 cm
ID Number
accession number
catalog number
Credit Line
from C. H. McDonald, through T. Boyle
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Work and Industry: Electricity
Data Source
National Museum of American History
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