Constant Level Lamp
date: label: patent date
content: 1852-07-27
name: label: inventor
content: Siedhof, Charles
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Massachusetts, Lancaster
setName: label: See more items in
content: Home and Community Life: Domestic Life
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: DL.251786
label: catalog number
content: 251786
label: patent number
content: 9,157
objectType: label: Object Name
content: Lamp
label: Object Type
content: Lighting Devices
label: Object Type
content: Lighting Devices
label: Other Terms
content: Lamp; Lighting Devices; Oil
physicalDescription: label: Physical Description
content: glass (reservoir material)
label: Physical Description
content: marble (base material)
label: Physical Description
content: metal, brass (burner material)
label: Physical Description
content: metal, brass (lamp material)
label: Physical Description
content: metal, brass (reservoir material)