Reversing switch for cable telegraph
date: label: date made
content: ca 1910
name: label: associated user
content: unknown
label: maker
content: Siemens Brothers & Co., Ltd.
notes: label: Description (Brief)
content: A reversing switch used in the test of submarine cable systems. The switch has four brass quadrants mounted on hard rubber posts, each having a binding post on top. Three brass pegs provide connection between the quadrants. Hard rubber base with four mounting holes. Similar to the type described on page 256 of Handbook of Electrical Testing by H. R. Kempe.
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 French Cable Company
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.336817
label: catalog number
content: 336817
label: accession number
content: 1978.2346
objectType: label: Object Name
content: Switch
label: Object Name
content: telegraph switch
label: Other Terms
content: Switch; Telegraphy
physicalDescription: label: Measurements
content: overall: 6 1/4 in x 3 1/2 in x 3 1/2 in; 15.875 cm x 8.89 cm x 8.89 cm