Radio relay from Lowell & Dunmore case
date: label: date made
content: 1922
name: label: associated person
content: Dunmore, Francis W.
label: associated person
content: Lowell, Percival D.
notes: label: Description (Brief)
content: Relay unit that includes a Weston millimeter model 301, serial number 173084. Marked: "Ghegan Relay. Play of Armature Should be Small as Possible." Twin electromagnet relay mounted on a hard rubber or composition panel. A Weston No. 301 millimeter is mounted on the panel together with a 20 point rotary switch, filament rheostat and binding posts. Navy type tube sockets are employed, but two 201A type tubes missing. Case is of wood with a hinge top. A 22.5 volt B battery is mounted internally with tapped connections to the panel rotary switch. Two tubes missing. Two Novo "B" batteries.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from John B. Brady, thru Mrs. John B. Brady
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321939.01
label: catalog number
content: 321939.01
label: accession number
content: 245709
objectType: label: Object Name
content: Receiver
label: Object Name
content: radio receiver
label: Object Name
content: radio relay
label: Other Terms
content: Receiver; Radio
physicalDescription: label: Measurements
content: overall: 11 1/4 in x 13 1/4 in x 11 in; 28.575 cm x 33.655 cm x 27.94 cm