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Lectron Add-On #7

Lectron Add-On #7; Raytheon Mfg. Co.; (ID = 1820694) Kit
Lectron Add-On #7; Raytheon Mfg. Co.; (ID = 1822872) Kit
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Lectron Add-On #7; Raytheon Mfg. Co.; (ID = 1822872) Kit
Raytheon Mfg. Co.;: Lectron Add-On #7 [Kit] ID = 1822872 684x418
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For model Lectron Add-On #7, Raytheon Mfg. Co.; Cambridge, MA:
Rekonstruiertes Deckelbild des Kartons
Country:  United States of America (USA)
Manufacturer / Brand:  Raytheon Mfg. Co.; Cambridge, MA
Year: 1969 ? Category: Kit (Parts plus instruction) or building instructions only
Semiconductors (the count is only for transistors) 1: AF126
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 9 Volt
Power out
from Model: Lectron Add-On #7 - Raytheon Mfg. Co.; Cambridge,
Material Plastics (no bakelite or catalin)
Dimensions (WHD) 170 x 55 x 110 mm / 6.7 x 2.2 x 4.3 inch

"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 and the Supplementary Instruction Manual 1.
This Add-On #7 Box - combined with Series 3 - allowed additional experiments.
A Series 3 Set may be upgraded with Add-On #6 and Add-On #7 to a Series 3A set with 64 projects / experiments. Then there are two tuning blocks and two HF transistors for experiment #33: "narrow band radio receiver".
Price for Raytheon employees: 2.70 $ plus 0.25 $ postage, sales tax.

From about 1973 on sale by Kimble Products (#MW910) for US$ 9.00

Price in first year of sale 6.00 USD
Source of data - - Manufacturers Literature

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

All listed radios etc. from Raytheon Mfg. Co.; Cambridge, MA
Here you find 277 models, 146 with images and 187 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.