Marconi loose coupler
date: label: date made
content: ca 1906
name: label: maker
content: Marconi Wireless Telegraph Co. Ltd.
notes: label: Description (Brief)
content: Marconi receiving transformer, wooden base and housing with a single wire-wrapped cylinder that slides on two rails. One 10 position sweep switch on end of cylinder, two 15 position sweep switches on housing. Four binding posts. Plate reads: "Marconi / Patent / 763,772". US patent issued to Guglielmo Marconi for "Apparatus for Wireless Telegraphy" on 28 June 1904.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241556.571
label: accession number
content: 241556
label: catalog number
content: 241556.571
objectType: label: Object Name
content: variable inductance
physicalDescription: label: Measurements
content: overall: 5 3/4 in x 17 in x 6 1/4 in; 14.605 cm x 43.18 cm x 15.875 cm