Franklin's kite experiment, c1752, (1869). Benjamin Franklin (1706-1790) American scientist, statesman, diplomat, author, printer and publisher, flying a kite in a thunderstorm and about to draw a spark from a metal key attached to the kite string, proving the electrical nature of thunderstorms. From Annals of Industry and Genius by CL Brightwell. (London, 1869). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
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