National Electric / Navy type SE-183B crystal detector
date: label: date made
content: 1920
label: associated date
content: 1920
name: label: maker
content: National Electrical Supply Company
notes: label: Description (Brief)
content: Name Plate: "Radio Detector / Type S.E.183B / Serial No. 141N / Made for Navy Dept. (BU.S.E.) / By / Nat. Elec. Sup. Co. / Wash. D.C. 1920". A three turret crystal detector with a 4-position sweep switch, two connecting screws. Switch taps marked: "1", "2", "3", and "Off". Left turret ("1") has a short pointed contact and an empty crystal holder. Center turret ("2") has a pointed contact, crystal holder missing. Right turret ("3") has a Cat's Whisker holder (whisker missing) and an empty crystal holder. Slate base. metal; plastic.
label: Location
content: Currently not on view
place: label: place made
content: United States: District of Columbia, Washington
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.317776
label: catalog number
content: 317776
label: accession number
content: 233317
label: serial number
content: 141N
objectType: label: Object Name
content: Detector
label: Object Name
content: radio receiver
label: Object Name
content: crystal radio
label: Other Terms
content: Detector; Radio
physicalDescription: label: Measurements
content: overall: 3 in x 6 in x 6 in; 7.62 cm x 15.24 cm x 15.24 cm