De Forest Responder for wireless
date: label: Date made
content: about 1903
label: associated date
content: 1902
name: label: patent holder
content: De Forest, Lee
label: maker
content: American De Forest Wireless Telegraph Co.
notes: label: Description (Brief)
content: Electrolytic detector. Three switches are mounted on the panel, a 3-position shunt switch, a 7-position potentiometer switch, and a 4-position battery control. The chemical detection cup is affixed to the wooden panel, also appropriate binding posts for external connections. Marked: "American De Forest / Wireless Telegraph Co. / Receiver / Patented Dec.16,1902."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321200
label: catalog number
content: 321200
label: accession number
content: 242405
objectType: label: Object Name
content: Detector
label: Object Name
content: electrolytic detector
label: Other Terms
content: Detector; Radio
physicalDescription: label: Measurements
content: overall: 5 7/8 in x 7 1/4 in x 7 1/4 in; 14.9225 cm x 18.415 cm x 18.415 cm