Leeds & Northrup "D'Arsonval" galvanometer
name: label: maker
content: Leeds and Northrup Company
notes: label: Description (Brief)
content: A flat rectangular steel housing with glass viewing port on front, brass riser on top, mounted on a tripod with adjustable feet. Mirror mounted a coil suspension (broken) between magnets. Viewing glass 2" wide, 3.5" high. Cast on front: "The Leeds & Northrup Co. / Scientific Instruments / Philadelphia". Serial number "4321" stamped just above tripod. "14" written on front. Used with a water flow perheliometer ("the standard instrument for calibration.")
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the Smithsonian Astrophysical Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314873
label: catalog number
content: 314873
label: accession number
content: 211531
objectType: label: Object Name
content: meter
label: Object Name
content: galvanometer
label: Other Terms
content: Galvanometer; Measuring Devices
physicalDescription: label: Measurements
content: overall: 17 1/2 in x 7 3/4 in x 7 in; 44.45 cm x 19.685 cm x 17.78 cm