RCA type 991 neon glow lamp
date: label: date made
content: ca 1928
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 2-contact candelabra bayonet base with brass shell, glass insulator, T-shaped envelope. Two half-dome electrodes set side-by-side. Dumet leads. Probable neon gas fill. Stamped on base: "RCA 991" and "Made in U.S.A." In original box. Used as an indicator lamp.
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.323163
label: catalog number
content: 323163
label: accession number
content: 241556
objectType: label: Object Name
content: voltage regulator
label: Object Name
content: discharge lamp
label: Object Name
content: neon glow lamp
label: Object Name
content: coronal discharge lamp
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: lamp: 1 1/2 in x 5/8 in; 3.81 cm x 1.5875 cm
label: Measurements
content: box: 2 1/4 in x 1 3/8 in x 1 3/8 in; 5.715 cm x 3.4925 cm x 3.4925 cm