Demonstration Incandescent Lamp
date: label: date made
content: 1879
name: label: associated user
content: Edison, Thomas Alva
label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: Edison bristol-board incandescent lamp. Wooden pedestal base with two top-mount brass terminals. A single-arch bristol-board filament with platinum screw-clamp connectors, 2-piece leads, bulbous press. Spliced lead-connections in stem. Tipped, G-shape envelope with neck. The donor reported that the lamp itself is original, one of those used at the New Year's Eve Demonstration, 31 December 1879. The pedestal base is a reproduction.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
label: See more items in
content: Energy & Power
label: See more items in
content: Electric Lamps
creditLine: label: Credit Line
content: from Frank A. Wardlaw, Jr. and Frank A. Wardlaw
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.310577
label: catalog number
content: 310577
label: accession number
content: 123470
objectType: label: Object Name
content: incandescent lamp
label: Other Terms
content: Lighting Devices; Horseshoe; Cardboard
physicalDescription: label: Physical Description
content: glass (lamp material)
label: Physical Description
content: metal (lamp material)
label: Physical Description
content: wood (base material)
label: Measurements
content: overall: 8 1/4 in x 4 in; 20.955 cm x 10.16 cm