double filament light bulb for a traffic signal
date: label: Date made
content: 1930s
notes: label: Location
content: Currently on loan
setName: label: See more items in
content: Work and Industry: Transportation, Road
creditLine: label: Credit Line
content: Amalie Adler Ascher
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1990.3050.15
label: nonaccession number
content: 1990.3050
objectType: label: Object Name
content: Double filament light bulb for a traffic signal
label: Object Name
content: incandescent lamp