2 Jun 1879 Jahr - Lightbulb

Beschreibung:

Two of America's greatest nineteenth century inventions (light bulb and telephone) came from these two men. Tinkerers by nature, these men never became fantastically wealthy, but it could be argued that these two inventions have had a much greater influence on American life, and indeed the world, than any of the Robber barons of their time period.

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