U.S. Army Signal Corps / American Expeditionary Force field radio transmitter, model WI-193A
date: label: Date made
content: about 1917
label: date made
content: ca 1917
name: label: maker
content: Dubilier Condenser Co.
notes: label: Description (Brief)
content: No nameplate. Marked on instruction sheet inside label: "Type WI-193A. Transmitter is a direct coupled coil set, supplied by a 6 volt storage battery and is known as the 'Boy Scout Set'. It draws approximately 5 amperes and supplies approximately .75 amperes to a 5 ohm antenna at wavelengths ranging from 100 to 300 meters. An antenna 75 feet in length is suitable." Label on fixed condenser box: "MICA Condenser / Made by Dubilier Condenser Co., Inc. NY / for Signal Corps, U.S.A. / Pat'd. June 12, 1917 / Other Patents Pending". A portable World War 1 field radio used by the US Army Signal Corps with tuning helix on outside of box. Battery, key, antenna, and counter poise connections located on top panel. Spark gap located inside box with spark coil and condenser. Unit is run from a 6 volt storage battery. Unit restored in 1963.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York City
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.320843
label: accession number
content: 241556
label: catalog number
content: 320843
objectType: label: Object Name
content: radio
label: Object Name
content: radio transmitter
physicalDescription: label: Measurements
content: overall: 20 cm x 16 cm x 20 cm; 7 7/8 in x 6 5/16 in x 7 7/8 in