he couldn't figure out which material to use as the filament of his light bulb.
there was no problem because he did the light bilb in his first try
what is it
Thomas Edison is credited with inventing the lightbulb.
That it actually worked
yes, but its not the same type of bulb you are familer with
there was no problem because he did the light bilb in his first try
one of thomas edisons inventions were the phoneograph and ther light bulb
light bulb
The Light Bulb
what is it
yes
The Light Bulb
The light bulb and the electric telephone
Thomas Edison is credited with inventing the lightbulb.
he invented the light bulb :)
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