Western Electric 25-B radio amplifier
date: label: date made
content: ca 1929
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: An elongated octagonal steel base and housing with removable top, steel panel divides the unit into 2 sections. On front section is a capacitor and sockets for two WE 205-D triodes (tubes missing); in the back section are 3 condensers and 4 transformers (a power transformer and 3 audio transformers). Two holes in front of base for ground, output to radio set, and loud-speaking telephone leads (missing); a cloth-insulated 2-conductor power cord (74") with push-thru cord switch emerges from the back thru a plastic bushing. Serial number 11257 stamped under base, next to the patent / schematic label. Reference: https://www.radiomuseum.org/r/western_el_25_b25.html, and https://www.westernelectric.com/s/25B-Amplifier.pdf.
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.321096.02
label: catalog number
content: 321096.02
label: accession number
content: 241556
objectType: label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 12 1/2 in x 11 in x 8 in; 31.75 cm x 27.94 cm x 20.32 cm