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Raytheon Lectron
Lectron was a modular electronic experimentation kit designed to introduce youth to basic electronic circuits and theory.
==Description==
The Lectron kit consisted of electronic components installed within individual "building blocks" with a clear plastic base, an opaque white top with the component's schematic symbol and permanent magnets attached to the leads of the enclosed components. Each building block was magnetically attached to a metal plate serving both as a work surface and ground, eliminating the need for soldering, spring terminals or a breadboard. This gave the benefit of safety as well as the ability to rearrange the blocks to determine the effect on the circuit.
The instruction manual gave instruction on the proper arrangement of the blocks as well as the function of each individual component's contribution to the final circuit. Experiments began with simple circuits such as a basic electric lamp circuit with switch and worked its way to a three-transistor radio with loudspeaker.
The Raytheon models have not been officially sold in the US since 1969. The Lectron product is still being manufactured in Frankfurt, Germany and is available for sale with shipping world wide. However, all the manuals are in German, with no plans for translation into English or any other language.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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