Grebe type RORD audio amplifier
date: label: date made
content: ca 1922
name: label: maker
content: A. H. Grebe & Co.
notes: label: Description (Brief)
content: Marked: "Grebe Radio / Richmond Hill, N.Y. / Type RORD". Also: "Radio Apparatus & Installations / Philadelphia School of Wireless Telegraphy / Airway Bldg. / Philadelphia". A detector and two-stage audio amplifier using three type 201-A tubes (missing from unit). Three filament rheostats and eleven binding posts are on front panel, along with three jack sockets.
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.321622
label: catalog number
content: 321622
label: accession number
content: 241556
objectType: label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 7 in x 10 5/8 in x 6 1/2 in; 17.78 cm x 26.9875 cm x 16.51 cm