Object Details
- Western Union Corporation
- Description
- Telegraph relays amplify an electrical signal in a telegraph line. Telegraph messages travel as a series of electrical pulses through a wire from a transmitter to a receiver. The pulses fade in strength as they travel through the wire, limiting the distance a message can be sent. Relays remedy that problem by detecting a weak signal and automatically re-transmitting that signal down the line using a local power source.
- Location
- Currently not on view
- Credit Line
- from Western Union Corporation
- ID Number
- EM.332478
- accession number
- 294351
- catalog number
- 332478
- Object Name
- ticker relay
- relay
- telegraph relay
- Measurements
- overall: 3 1/2 in x 6 in x 35 in; 8.89 cm x 15.24 cm x 88.9 cm
- See more items in
- Work and Industry: Electricity
- Communications
- National Museum of American History
- Record ID
- nmah_891500
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a7-0160-704b-e053-15f76fa0b4fa
