|By Concept? | By Inventor? | By Device|
I may be straying from the purely Inventions side of this site but with electro-magnetism I don't see how I can go wrong providing places for both the concepts and the tools used to experiment with them...
|By Concept? | By Inventor? | By Device| I may be straying from the purely Inventions side of this site but with electro-magnetism I don't see how I can go wrong providing places for both the concepts and the tools used to experiment with them... |
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