Frequency division multiplexer
date: label: associated date
content: 1910
name: label: associated person
content: Squier, George Owen
notes: label: Description (Brief)
content: A generator (or rotary converter) and tape transmitter. The character of this machine is not clear. A pulley wheel in two sections (one 10" diameter and one 7"dia.) is coupled to one end of the armature shaft. A slotted drum type armature turns between pole pieces energized by a bi-polar field magnet structure. Slip rings are used on the output side of the shaft, with an adjustable rocker arm assembly. A rear pedestal couples the back the armature shaft to a brass spoked-gear assembly.
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 Estate of Major General George O. Squier, thru Jason A. Purcell
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311200
label: catalog number
content: 311200
label: accession number
content: 143739
objectType: label: Object Name
content: Multiplexing Device
label: Object Name
content: multiplexing device
label: Object Name
content: electrical generator
label: Other Terms
content: Multiplexing Device; Telephones
physicalDescription: label: Physical Description
content: steel (overall material)
label: Physical Description
content: copper (overall material)
label: Measurements
content: overall: 10 in x 11 in x 24 in; 25.4 cm x 27.94 cm x 60.96 cm