Grebe type CR-3A regenerative receiver
date: label: date made
content: ca 1922
name: label: maker
content: A. H. Grebe & Co.
notes: label: Description (Brief)
content: Marked: "Grebe Radio / Regenerative Receiver / Type CR-3A". Panel and mounted components only, cabinet is missing. Single tube plugs into socket on panel - tube missing but is a 4-prong 201A type. Panel controls include grid and plate variometers which are back-panel mounted and have split stator and rotor windings. Antenna inductance is variable with two six-tap multi-point switches located on the panel. Binding posts on hard rubber panel for antenna and ground, A and B batteries, and headphones. Reference: https://www.radiomuseum.org/r/grebe_cr3a.html shows unit mounted in a rectangular case, front panel is vertical.
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.321158
label: catalog number
content: 321558
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 13 7/8 in x 6 1/4 in; 13.335 cm x 35.2425 cm x 15.875 cm