Richter carbon-filament lamp
date: label: date made
content: ca 1882
name: label: maker
content: Richter, Charles W.
label: maker
content: Richter, Charles W.
label: maker
content: Richter, Charles W.
notes: label: Description (Brief)
content: Richter carbon-filament lamp, ca. 1880. Characteristics: No base. "Curved-M" shaped carbon filament with one-piece leads, platinum pin & disc connectors, lobed press. Tipped, pear-shaped envelope. Leads emerge about 1/2" from bottom of lamp. Reference: US Patent 279811, "Incandescent Lamp," issued 19 June 1883 to Charles Richter.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Sarah J. Farmer
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181981.04
label: catalog number
content: 181981.04
label: accession number
content: 2015.0173
objectType: label: Object Name
content: Light Bulb
label: Object Name
content: incandescent lamp
label: Other Terms
content: Light Bulb; Lighting Devices; No Base Maxim; Metal
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 4 1/2 in x 2 3/8 in; 11.43 cm x 6.0325 cm