Optical Test Lamp
date: label: date made
content: ca 1918
name: label: associated user
content: unknown
notes: label: Description (Brief)
content: Incandescent optical testing lamp. A glass tube is mounted perpendicular to the lamp axis at the light-center point.
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 Rutgers University, thru Peter Lindenfeld
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.327618
label: catalog number
content: 327618
label: accession number
content: 268279
objectType: label: Object Name
content: incandescent lamp
label: Other Terms
content: Lighting Devices
physicalDescription: label: Measurements
content: overall: 7 3/4 in x 8 in x 2 7/8 in; 19.685 cm x 20.32 cm x 7.3025 cm