Power supply and ballast for Cooper Hewitt mercury vapor lamp
date: label: date made
content: ca 1908
name: label: maker
content: Cooper Hewitt Electric Company
notes: label: Description (Brief)
content: Power supply and ballast for Cooper Hewitt laboratory mercury vapor lamp. For providing controlled power flow to the mercury vapor lamp, catalog #2001.0033.01. Unit has cylindrical casing and black base on casters to allow ease of movement within the lab. For use with a laboratory Michelson interferometer.
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 Columbia University, Department of Physics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2001.0033.02
label: accession number
content: 2001.0033
label: catalog number
content: 2001.0033.02
objectType: label: Object Name
content: discharge lamp auxilary
label: Object Name
content: discharge lamp ballast
physicalDescription: label: Measurements
content: overall: 30 in x 18 in x 18 in; 76.2 cm x 45.72 cm x 45.72 cm