Crystaloi type AA wireless detector
date: label: date made
content: ca 1916
label: date made
content: c 1916
name: label: maker
content: Eugene T. Turney Co.
notes: label: Description (Brief)
content: Marked: on plate: "Crystaloi / Eugene T. Turney Co, Inc., N.Y. / Pat. June 29, 1915 / No. 1144399." A fixed crystal detector with three buzzer binding posts mounted on a hard rubber panel. Coil winding on periphery of unit. Brass clamp below unit. The Crystaloi element is a device developed by Eugene Turney and consists of a large section of crystal substance brought into contact with many points of a powered alloy. The manufacturer claimed unusual sensitivity for the device. Reference: "William B. Duck Co. Catalog," 1916, page 35.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321307
label: accession number
content: 241556
label: catalog number
content: 321307
label: patent number
content: 1144399
objectType: label: Object Name
content: radio receiver
label: Object Name
content: crystal radio
physicalDescription: label: Measurements
content: overall: 3 in x 4 in; 7.62 cm x 10.16 cm