• Country
• Taiwan (Republic of China)

• Manufacturer / Brand
• Lumen (brand); (where?)

• Year
• 1965 ??

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 133291

• Number of Transistors
• 1

• Semiconductors

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Special material, described in the notes.

• from Radiomuseum.org
• Model: 20 in one Electronic Project Kit - Lumen brand; where?

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 365 x 80 x 250 mm / 14.4 x 3.1 x 9.8 inch

• Notes
• Baukasten für 20 Experimente. Der ganze Kasten besteht aus Pappe, nur die 5 Bausteine haben ein Plastikgehäuse. Die Bauteile und Klemmfedern gleichen denen vom Neckermann-Radio-Labor. Das Meßgerät ist hier ein Galvanometer mit Kompass.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Author
• Model page created by Hannes Wurnitsch. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lumen (brand); (where?)