Four dial decade resistance box 825

Shallcross; Collingdale

  • Year
  • 1935
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 336222

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Four dial decade resistance box 825 - Shallcross; Collingdale
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 6.25 x 9.75 x 3.3125 inch / 159 x 248 x 84 mm
  • Notes
  • The Shallcross Four Dial 825 Decade resistance box can be used to accurately dial a resistance from 1 to 11,110 ohms using four decade dials for ones, tens, hundreds, and thousands with 11 switch positions each numbered from zero to 10 (and a repeated 1 for the 1 to 10 ohms switch).  The box is solid oak, the face is grade XX Bakelite.  The resistances  are wirewound.

  • Net weight (2.2 lb = 1 kg)
  • 3.5 lb (3 lb 8 oz) / 1.589 kg
  • Price in first year of sale
  • 30.75 USD
  • Mentioned in
  • Manufacturer's catalog 10-1940
  • Author
  • Model page created by Rich Post. See "Data change" for further contributors.

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