Thomas Edison crowns 14 months of testing with an incandescent electric light bulb that lasts 13½ hours
what is it
there was no problem because he did the light bilb in his first try
That it actually worked
66
yes, but its not the same type of bulb you are familer with
66
66
one of thomas edisons inventions were the phoneograph and ther light bulb
light bulb
The Light Bulb
what is it
yes
there was no problem because he did the light bilb in his first try
The Light Bulb
The light bulb and the electric telephone
he invented the light bulb :)
That it actually worked