Bristol model A 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, U.S.A. / Model A Serial 2497 / Patents Pending". This amplifier is of the single stage audio type, employing 201-A tube and a coupling transformer. A 2 megohm grid leak resistor is utilized in a clamp holder. Battery terminals are located on the rear panel. The front panel contains binding posts for input and output stages, and a six-tap multi-point switch provides varying filament voltage. Reference: Matthews Electric Supply Co. Catalog, undated, page 15.
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.320879
label: catalog number
content: 320879
label: accession number
content: 241556
objectType: label: Object Name
content: amplifier
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