De Forest model D-10 radio receiver with antenna
date: label: date made
content: 1923
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: A four-tube reflex radio receive mounted In a wooden cabinet with double doors and a compartment at bottom. Square spreader-type antenna mounts in top. Equivalent to three stages of radio frequency amplification and three stages of audio frequency amplification with a crystal detector. Reference: Electrical Record, Radio Supplement (June 1924), page 180; Harry Marx, Radio Receivers, (Chicago: 1924), page 92. Unit tested in the 1970s with a 90V B-battery and did not operate.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Mr. and Mrs. Fred J. Warnock, Sr., thru Fred J. Warnock, Jr.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314249
label: catalog number
content: 314249
label: accession number
content: 196405
objectType: label: Object Name
content: Receiver
label: Object Name
content: radio receiver
label: Other Terms
content: Receiver; Radio
physicalDescription: label: Measurements
content: receiver only: 13 1/2 in x 12 1/2 in x 9 1/2 in; 34.29 cm x 31.75 cm x 24.13 cm
label: Measurements
content: assembled w/ doors open: 42 1/8 in x 27 in x 13 in; 106.9975 cm x 68.58 cm x 33.02 cm
label: Measurements
content: antenna only: 34 in x 27 in x 1 1/2 in; 86.36 cm x 68.58 cm x 3.81 cm