Lodestone in brass housing
date: label: Date made
content: ca. 17th Century
label: date made
content: ca 17th Century
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.322838
label: catalog number
content: 322838
label: accession number
content: 249409
objectType: label: Object Name
content: Lodestone
label: Other Terms
content: Electron Tube, Triode; Lodestone; Electron Tubes
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 1 in x 1/2 in; 3.175 cm x 2.54 cm x 1.27 cm