Navy type A crystal radio detector
date: label: date made
content: 1916
label: associated date
content: 1916
notes: label: Description (Brief)
content: Stamped: "Detector / Type A / No. W145 / DR. No. RW 50 A 133 A / W.N.Y. 1916". 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 blunt contact and a multi-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 with a plate attached to the bottom. metal; plastic. Made at the Washington Navy Yard. Very similar to types SE-183A and SE-183B detectors.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from J. V. McKeon
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311869
label: catalog number
content: 311869
label: accession number
content: 154522
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 5 3/4 in x 5 3/4 in; 7.62 cm x 14.605 cm x 14.605 cm