• Country
• Netherlands

• Manufacturer / Brand
• Isaria Maatschappij, N.V. Holl., Rotterdam

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69574

• Number of Tubes
• 4

• Valves / Tubes
• A410 A410 B406 B403

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 4 / 90-120 / -9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: co 2 [early] - Isaria Maatschappij, N.V. Holl

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 365 x 255 x 180 mm / 14.4 x 10 x 7.1 inch

• Notes
• Information taken from Radio Wereld 25/22. Picture Nr.: 166.01 HF, detection and 2 x LF. 2 bands: 250 to 300 meter

• 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
• Radio Wereld, The Netherlands

• 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 Isaria Maatschappij, N.V. Holl., Rotterdam