Experimental Edison lamp
date: label: date made
content: ca 1880
label: date made
content: ca. 1880
label: associated date
content: 1879 10 21
label: associated date
content: 1880
name: label: associated person
content: Edison, Thomas Alva
label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: Experimental Edison lamp, about 1880. Wooden experimental-style base with two brass binding posts, wax(?) filling in wiring grooves on bottom. 3/8" diameter ("medium" size) two-level collar-ring. Single-arch bamboo filament with platinum leads, flat press, platinum-clamp connectors, each lead is insulated in stem, iron(?) leads in stem. Ball-tip, pear-shaped envelope. "XB" penciled on bottom. Wooden base is apparently not original. Paper label on envelope: "13" and "100 1/2 V."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
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.310580
label: catalog number
content: 310580
label: accession number
content: 123470
objectType: label: Object Name
content: Light Bulb
label: Object Name
content: incandescent lamp
label: Other Terms
content: Light Bulb; Lighting Devices; No Base; Carbon
physicalDescription: label: Measurements
content: overall: 9 in x 4 in; 22.86 cm x 10.16 cm