Wireless Telegraph Key
name: label: maker
content: L. S. Brach Manufacturing Co.
notes: label: Description (Brief)
content: Telegraph keys are electrical on-off switches used to send messages in Morse code and can spark when the circuit opens. This wireless telegraph key features a large disc on the knob to protect against the accidental shock. Until recently, “wireless” meant radio and early wireless equipment often used high voltages.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
label: See more items in
content: Telegraph Keys
label: See more items in
content: Communications
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314136
label: catalog number
content: 314136
label: accession number
content: 195337
objectType: label: Object Name
content: sending key
label: Object Name
content: telegraph key
label: Other Terms
content: Radio
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 3 in x 6 in x 1 3/4 in; 7.62 cm x 15.24 cm x 4.445 cm