Marconi Scientific Instrument Co. model M15 radio receiver
date: label: date made
content: 1921
name: label: maker
content: Marconiphone Co. Ltd.
notes: label: Description (Brief)
content: Marked: "Type M15 No. 322 / The Marconi Scientific Instrument Co., Ltd." Paper tag attached: "USED 1 valve set. Date of manufacture: 1921. This specimen is an early Marconi single tube receiver having a large aerial tuning condenser, inductance tap switch, and a coupling control. Binding posts are available for the power supply. Wooden base; screws missing from panel. Unit employs Marconi "Q" valve of ca. 1919. REF: For Valve: "Science Museum Handbook: RADIO COMMUNICATION", page 41.
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.320718
label: catalog number
content: 320718
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 5 1/8 in x 9 in x 6 in; 13.0175 cm x 22.86 cm x 15.24 cm