• Country
• Great Britain (UK)

• Manufacturer / Brand
• Rothermel Radio Corporation of Great Britain; London.

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 204960

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF without regeneration; Neutrodyne

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Rothermel Grebe [5 valves] - Rothermel Radio Corporation of

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 22 x 9.75 x 13 inch / 559 x 248 x 330 mm

• Notes
• Obviously import model from USA: BC only, and a well known US brand! Probably a Synchrophase MU-1 w/o chain.
  Two tuned HF valves, grid-leak detector, 2 transformer-coupled LF valves. Wave range 150-600 metres. Walnut cabinet.

• Price in first year of sale
• 20.00 GBP

• Source of data
• Wireless World (The), London (WW, 79)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, -1 with images and -1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rothermel Radio Corporation of Great Britain; London.