Inventions, Thomas Edison

21-October-2022 Friday
On this day, October 21, in 1824, Englishman Joseph Aspdin patented Portland cement.

11-December-2021 Saturday
The Voice of Thomas Edison (1878) Inventor of the phonograph

21-October-2015 Wednesday
Incandescent lamp

06-February-2015 Friday
10 interesting facts about Nikola Tesla.


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