U.S. Navy / National model CN113-A radio receiver
date: label: date made
content: c 1917
label: date made
content: ca 1917
label: associated date
content: 1917
name: label: associated user
content: unknown
label: maker
content: National Electrical Supply Company
notes: label: Description (Brief)
content: Marked: "Radio Receiver / Type CN-113-A / Serial no. 587 / 300m to 2500m / Made for Bureau of Steam / Engineering by National Electric / Supply Co., Washington, D.C. / Reg. No. 73 N.S.A. / Cont. No. 128 / Date: 1917". Instrument was designed primarily for reception of spark signals using a crystal detector, or for reception of short, sustained waves by using a crystal detector, or for reception of short, sustained waves by using audion control box. Panel controls include: buzzer with SPST switch, headphone jack, xtal detector with cat's whisker and xtal, tickler coupling, secondary coil with taps I thru VI, 4-pole DT switch for use of audion or xtal detector circuits, secondary condenser with 0-180 scale, coupling condenser with 0-180 scale, knife switch permits circuit constants to vary enough to receive long, short or medium wave lengths. When used with antenna of .0006 mfd. capacity the wave-length range of receiver is: SHORT; 300-2100 M, MEDIUM: 400-2300 M, LONG: 500-2500 M. Primary coil taps for large and small steps. Binding posts for audion, audion telephone, tickler, antenna, ground, and detector. REF: (Clark collection: CL 46 Book 3 Receivers 329-384). U.S. NAVY RADIO RECEIVER TYPES CN113 and CN 113-A. Description and Operating Instructions. Radio Test Shop, U.S. Navy Yard, Washington, D.C. 1918.
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.320696
label: catalog number
content: 320696
label: accession number
content: 241556
label: serial number
content: 587
objectType: label: Object Name
content: Receiver
label: Object Name
content: radio receiver
label: Other Terms
content: Receiver; Radio
physicalDescription: label: Measurements
content: overall: 7 in x 17 in x 6 1/2 in; 17.78 cm x 43.18 cm x 16.51 cm