• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1939/1940 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 312121

• Number of Transistors

• Semiconductors
• Metal-rectifier

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Wave Bands given in the notes.

• Details
• WiredWirelessReceiver (AF or RF)

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Linearer Messgleichrichter Rel gl. 22a - Siemens & Halske, -Schuckert

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 470 x 275 x 180 mm / 18.5 x 10.8 x 7.1 inch

• Notes

• Kupferoxydul-Messgleichrichter. Für HF-Drahtfunk (Langwelle).

• Net weight (2.2 lb = 1 kg)
• 11.6 kg / 25 lb 8.8 oz (25.551 lb)

• Author
• Model page created by Mario Böhme. See "Data change" for further contributors.

• Other Models

• Here you find 2521 models, 2118 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München