Spark Transmitter 1 KW No. A410

Murdock, WM.J. Co.; Chelsea

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  • Year
  • 1914
  • Category
  • Amateur Transmitter (only)
  • Radiomuseum.org ID
  • 204361
    • alternative name: William J. Murdock Co.

 Technical Specifications

  • Main principle
  • Transmitter
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Spark Transmitter 1 KW No. A410 - Murdock, WM.J. Co.; Chelsea
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 16 x 12.5 x 13.5 inch / 406 x 318 x 343 mm
  • Notes
  • Wm. J. Murdock No. A410 1 KW Spark Gap Transmitting Set. It consists of a closed core, magnetic leakage 1 KW transformer mounted in a mahogany finished box, with primary terminals for 1/4, 1/2 and 1 KW powers; an oscillation transformer designed to give 200 meters or under in the closed circuit; the Murdock rotary spark gap No. 442 having a 12 point rotating disc and two stationary electrodes with a variable speed 110 V motor; molded transmitting condenser and a spark key.
  • Price in first year of sale
  • 100.00 $
  • Mentioned in
  • 1914 JJ Duck Catalog page 9
  • Literature/Schematics (1)
  • February 1914 Modern Electrics & Mechanics page 373
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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