• Country
• United States of America (USA)

• Manufacturer / Brand
• Western Electric Company Inc.; New York (NY)

• Year
• 1950 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 325638

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: 20JB Crystal Unit - Western Electric Company Inc.;

• Dimensions (WHD)
• 32 x 98 x 32 mm / 1.3 x 3.9 x 1.3 inch

• Notes

• 4.000KC crystal filter unit in octal tube envelope.

• Author
• Model page created by Jay Kinnard. See "Data change" for further contributors.

• Other Models

• Here you find 166 models, 143 with images and 33 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Western Electric Company Inc.; New York (NY)