• Country
• United States of America (USA)

• Manufacturer / Brand
• Raytheon Mfg. Co.; Cambridge, MA

• Year
• 1968

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

• Radiomuseum.org ID
• 207181

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 1

• Semiconductors
• AF126

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Lectron Series 2 Add-On #4 - Raytheon Mfg. Co.; Cambridge,

• Dimensions (WHD)
• 170 x 55 x 110 mm / 6.7 x 2.2 x 4.3 inch

• Notes

• "See thru" transistorized blocks that connect magnetically to form working experiments that you can see and hear - developed by Egger (-Lectron), Germany.
  Macalaster Scientific Co., a division of Raytheon Education Co., imported this system and developed the special instruction manual.
  This Add-On #4 Box - combined with Series 1 or Series 2 - allowed additional experiments. Content: 3 building blocks (see top of box).
  This parts will upgrade a Series 2-Set to a Series 3-Set.
  Price for Raytheon employees: 5.00 $ plus 0.25 $ postage, sales tax.

  From about 1973 on sale by Kimble Products (#MW907) for US$ 15.00

• Price in first year of sale
• 12.00 USD

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

• Author
• Model page created by Günther Stabe † 19.8.20. See "Data change" for further contributors.

• Other Models

• Here you find 324 models, 152 with images and 240 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Raytheon Mfg. Co.; Cambridge, MA