Patent model for Edison battery suspension clamp, US Patent #142999
date: label: Date made
content: 1872
label: Date made
content: 1873
name: label: patent holder
content: Edison, Thomas Alva
label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: A model to accompany the application for US Patent #142999, "Galvanic Batteries," issued 23 September 1873 to Thomas A. Edison. A brass suspension clamp for holding a zinc electrode at various heights within a wet-cell battery. This is item "d" in the patent drawings, the zinc electrode is "b and c"). The clamp appears to be the only surviving part of this patent model.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308574
label: catalog number
content: 308574
label: accession number
content: 89797
label: patent number
content: 142999
objectType: label: Object Name
content: Battery
label: Object Name
content: battery electrode
label: Other Terms
content: Battery; Electrochemical Devices
physicalDescription: label: Measurements
content: overall: 9/16 in x 4 in x 4 3/4 in; 1.42875 cm x 10.16 cm x 12.065 cm