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1 Mai 1752 Jahr - Benjamin Franklin Invention

Beschreibung:

In 1752, Benjamin Franklin made the lighting rod . He tested out a theory that he would put a handkerchief to two crossed sticks of proper length into a kite. His theory didn't work out but other people tried it and it somehow worked for them.

Zugefügt zum Band der Zeit:

Datum:

1 Mai 1752 Jahr
Jetzt
~ 273 years ago

Abbildungen: