Bristol model F audio amplifier
date: label: date made
content: ca 1923
notes: label: Description (Brief)
content: Marked: "Bristol One Stage Power Amplifier / Made by / The Bristol Company / Waterbury, Conn. USA / Model F Serial 8569 / Patents Pending". Amplifier is of the single stage audio type, employing a single 201-A type tube and a coupling transformer. A 2 megohm grid-leak resistor is missing from clamp holder. Battery terminals are located on rear panel. Front panel contains binding posts for input and output stages and a multi-point switch provides varying filament voltage. Reference: "Matthews Radio Catalog" (undated), page 15.
label: Location
content: Currently not on view
place: label: place made
content: United States: Connecticut
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.320880
label: accession number
content: 241556
label: catalog number
content: 320880
objectType: label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 6 3/4 in x 5 in x 6 in; 17.145 cm x 12.7 cm x 15.24 cm