Combination mercury-vapor incandescent lamp
date: label: date made
content: ca 1902
label: date made
content: ca 1907
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from International Business Machines, Inc., William J. Hammer Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320658
label: accession number
content: 241402
label: catalog number
content: 320658
objectType: label: Object Name
content: Light Bulb
label: Object Name
content: incandescent lamp
label: Object Name
content: discharge lamp
physicalDescription: label: Physical Description
content: mercury (overall material)
label: Physical Description
content: carbon (overall material)
label: Measurements
content: overall: 6 3/8 in x 2 1/2 in; 16.1925 cm x 6.35 cm