• 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
• 211240

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Lectron Series 1 Add-On #3 - Raytheon Mfg. Co.; Cambridge,

• Dimensions (WHD)
• 110 x 40 x 75 mm / 4.3 x 1.6 x 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 #3 Box - combined with Series 1 - allowed additional experiments.
  Price for Raytheon employees: 1.00 $ plus 0.25 $ postage, sales tax.

  From about 1973 on sale by Kimble Products (#MW906) for US$ 4.50

• Price in first year of sale
• 2.00 USD

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

• Other Models

• Here you find 315 models, 151 with images and 230 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Raytheon Mfg. Co.; Cambridge, MA