Firth type L wavemeter with thermo galvanometer
name: label: maker
content: Firth, John
notes: 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 United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313577
label: catalog number
content: 313577
label: accession number
content: 188571
label: collector/donor number
content: BS 625591C
objectType: label: Object Name
content: Wave Meter
label: Object Name
content: wavemeter
label: Other Terms
content: Wave Meter; Measuring Devices
physicalDescription: label: Physical Description
content: wood (?? material)