De Forest 3-coil air-core transformer with honeycomb coil
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
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 the University of Michigan, Ann Arbor, College of Engineering, thru Hempstead Bull
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.317307
label: catalog number
content: 317307
label: accession number
content: 230388
objectType: label: Object Name
content: Transformer, Air Core
label: Object Name
content: radio coil
label: Other Terms
content: Transformer, Air Core; Radio
physicalDescription: label: Measurements
content: overall: 6 in x 4 3/8 in x 3 in; 15.24 cm x 11.1125 cm x 7.62 cm