• Country
• United States of America (USA)

• Manufacturer / Brand
• DeForest Radio Telephone & Telegraph Co. (De Forest); New York

• Year
• 1909

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 309130

• • alternative name: Lee De Forest Mfg.

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: R. J. Wavemeter - DeForest Radio Telephone &

• Shape
• Tablemodel, with any shape - general.

• Price in first year of sale
• 25.00 $

• Mentioned in
• January, 1909 Modern Electric magazine page 370

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

• Other Models

• Here you find 158 models, 132 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York