• Country
• United States of America (USA)

• Manufacturer / Brand
• Electro Importing Co. (Eico); New York City, NY

• Year
• 1912–1920

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 280663

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Electro Adjustable High Tension Condenser No. 531 - Electro Importing Co. Eico;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 11.75 x 3.75 x 14.75 inch / 298 x 95 x 375 mm

• Notes

• This is a high voltage condenser for a spark transmitter.

• Price in first year of sale
• 6.50 $

• Mentioned in
• 1912 Electro Importing Catalog No. 11 page 41

• Literature/Schematics (1)
• 1920 Electro Importing Catalog No. 22 page 54

• Author
• Model page created by Richard Groshong. See "Data change" for further contributors.

• Other Models

• Here you find 63 models, 62 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electro Importing Co. (Eico); New York City, NY