• Country
• United States of America (USA)

• Manufacturer / Brand
• Clapp-Eastham Co.; Cambridge, MA

• Year
• 1917

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 192845

• • Brand: Radak

• Main principle
• Tuner pre 1926 (not a wave trap)

• 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: Loose Coupler Tuner Type X Receiving Transformer - Clapp-Eastham Co.; Cambridge,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Clapp-Eastham Company Type X Tuner.
  A tuner of conventional type with many exclusive features for wave lengths up to 3000 meters. Primary dead end switch, plain "units" switch, mahogany and Bakelite throughout, rubber covered binding posts. In 1917 "Radio and Laboratory Apparatus Catalog X", Clapp-Eastham-Company, 139 Main Street, Cambridge, Massachusetts, it is called: "Type X Receiving Transformer".

• Literature/Schematics (1)
• April 1917 QST Page 84

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 130 models, 107 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA