• Country
• Netherlands

• Manufacturer / Brand
• Akkerman, Rotterdam

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69154

• Power type and voltage
• Line / Storage batteries (perhaps also batteries)

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

• from Radiomuseum.org
• Model: Erta 30 - Akkerman, Rotterdam

• External source of data
• Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

• Source of data
• Opkomst van de Nederlandse Radio-Industrie

• Mentioned in
• Nederlandse Bond van Radiohandelaren, Oktober 1928

• Other Models

• Here you find 3 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Akkerman, Rotterdam