magnetic pickup head
date: label: date made
content: 1900
notes: label: Description (Brief)
content: A magnetic pickup for recording wire from work done by Valdemar Poulsen. Note with object reads: "Magnet used in connection with Poulsen's Telephonographic newspaper. Received by me from Mr. Hegermann [sp?] Times Bld'g Feb. 11th, 1901. Wm. J. Hammer Consulting Electrical Engineer." Steel wire format. "300" and "007" etched near pins, illegible marking etched near contact.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from International Business Machines, Inc., William J. Hammer Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241402.51
label: catalog number
content: 241402.51
label: accession number
content: 241402
objectType: label: Object Name
content: magnetic recordding component
label: Object Name
content: magnetic recording component
physicalDescription: label: Measurements
content: overall: 1 in x 1 1/2 in x 1 3/4 in; 2.54 cm x 3.81 cm x 4.445 cm