Siemens "Speaking mirror" telegraph galvanometer
name: label: maker
content: Siemens Brothers & Co., Ltd.
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 ITT World Communications, Inc., thru John Van Ingen
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330264
label: catalog number
content: 330264
label: accession number
content: 288763
objectType: label: Object Name
content: Galvanometer
label: Other Terms
content: Galvanometer; Measuring Devices
physicalDescription: label: Measurements
content: overall: 1 in x 9 in; x 2.54 cm x 22.86 cm