• Country
• Germany

• Manufacturer / Brand
• Wisi (Wilh. Sihn); Niefern bei Pforzheim

• Year
• 1938

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 94421

• • Brand: Sihn jr., Wilhelm; Niefern

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Erdschalter 54 - Wisi Wilh. Sihn; Niefern bei

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 120 x 27 x 16 mm / 4.7 x 1.1 x 0.6 inch

• Notes
• Erdschalter für Rundfunkantennen, mit unzerbrechlichem Backelitsockel, Metallteile Messing vernickelt.

• Net weight (2.2 lb = 1 kg)
• 0.040 kg / 0 lb 1.4 oz (0.088 lb)

• Price in first year of sale
• 0.30 RM

• Mentioned in
• Ch.Mank+Co - Runddfunk-Zubehör 1938

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 141 models, 105 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wisi (Wilh. Sihn); Niefern bei Pforzheim