De Forest model T-100 radio receiver
date: label: date made
content: c 1919
label: date made
content: ca 1919
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: Marked: "Multi-Wave Tuner / Type T-100 / De Forest Radio / Tel & Tel Co., N.Y. / To be used only for Radio Communication where messages are not transmitted for pay. Pat'd: 10/31/05; 2/18/08; 10/17/16; 3/6/17; 4/3/17; 7/29/19; 8/26/19. Other pats. pending / De Forest Radio Tel & Tel Co., N.Y." On honeycomb coil base: Patd. 1/11/21. Others pending. Tuner employs two variable capacitors marked Primary Cond. I and Primary Cond. II. Two primary condenser switches are marked I and II respectively, and have tap arrangement for connection in series or shunt. Honeycomb plug-in coil base, with variable angle control, is mounted on top of the panel. REF: Listed as discontinued mode in "De Forest Radio Receiving Apparatus Catalog #D, 1920."
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.320700
label: catalog number
content: 320700
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 12 1/2 in x 18 1/2 in x 7 5/8 in; 31.75 cm x 46.99 cm x 19.3675 cm