Jewell model 593 A-B relay
date: label: date made
content: ca 1926
name: label: maker
content: Jewell Electrical Instrument Co.
notes: label: Description (Brief)
content: Marked: "Type 593 / A-B Relay / for Sets With / Five or More 3-Volt tubes / Made in USA by / Jewell Electrical Instrument Co., Chicago." Directions on nameplate. Relay for connection between a trickle charger and a "B" eliminator. "A" terminal connections are made to binding posts on unit. Stone frame with bakelite paneling. Plug missing form line cord.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
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.321773
label: catalog number
content: 321773
label: accession number
content: 241556
label: model number
content: 543 A-B
objectType: label: Object Name
content: radio relay
physicalDescription: label: Measurements
content: overall: 1 1/2 in x 3 3/4 in x 3 1/4 in; 3.81 cm x 9.525 cm x 8.255 cm