Bradley helices for magnets, patent #49,074
date: label: Date made
content: 1865
notes: 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.252667
label: catalog number
content: 252667
label: accession number
content: 49064
label: patent number
content: 49074
objectType: label: Object Name
content: Coil, Pair of
label: Object Name
content: magnetic coil
label: Other Terms
content: Coil, Pair of; Magnetic Devices
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 5/8 in; x 6.35 cm x 1.5875 cm