• Country
• Great Britain (UK)

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: GB

• Year
• 1915 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 130247

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Wavemeter 300 - 4000 M WDSF-C - Unknown - CUSTOM BUILT: GB

• Shape
• Tablemodel, with any shape - general.

• Notes
• Wavemeter covers 300 to 1.200 & 1.000 to 4.000 meters in two ranges, band selection with changing the scale marker from the left to the right side, two terminals, indication with lamp or buzzer. Serial# 749 proven.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 116 models, 106 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: GB