International Radio type SCR-73 aircraft variometer
date: label: date made
content: 1917
name: label: maker
content: International Radio Telegraph Company
notes: label: Description (Brief)
content: NBS property #R-1992. A wooden housing with a wooden knob on the front next to a Roller-Smith Co. Spec. R-S 303 radio frequency current ammeter. Name plate reads: "International Radio Co. , Pittsburgh, PA. / Serial No. Variomater.Type.SCR.73 / Patented Aug.12,1902 / Other Patents Issued & Pending." On tag: "37".
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.313603
label: catalog number
content: 313603
label: accession number
content: 188571
label: collector/donor number
content: R-1992
objectType: label: Object Name
content: Variable Inductor
label: Object Name
content: inductance
label: Other Terms
content: Variable Inductor; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 15 1/4 in x 9 in; 13.335 cm x 38.735 cm x 22.86 cm