• Country
• United States of America (USA)

• Manufacturer / Brand
• Connecticut Telephone & Electric Company (Sodion); Meriden (CT)

• Year
• 1922 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 69082

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Wave Meter/Filter D-5 - Connecticut Telephone &

• Dimensions (WHD)
• 90 x 115 x 120 mm / 3.5 x 4.5 x 4.7 inch

• Notes
• Has a link to select series or parallel resonance.

• External source of data
• Konrad Birkner

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 19 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Connecticut Telephone & Electric Company (Sodion); Meriden (CT)