in 1911 tungsten was introduced as a filament. In 1913 filaments were coiled for the first time, and bulbs were filled with inert gas. Beginning in 1925, bulbs were frosted on the inside
one of thomas edisons inventions were the phoneograph and ther light bulb
lalalalala
Thomas Alva Edison
thomas edisons weakness was his inventions
a coma
Blue
37
sdagd
It made music.
He was an inventor.
miller
what were thomas edisons political views