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The Light Bulb
light bulb
one of thomas edisons inventions were the phoneograph and ther light bulb
The Light Bulb
Thomas Edison's first successful light bulb lasted for about 13.5 hours when he first demonstrated it. However, he and his team later improved the design to last for over 1500 hours.
The light bulb and the electric telephone
he invented the light bulb :)
someone, but he IMPROVED the light bulb as well so... it wasnt the same for long
Thomas Edison's best light bulb stayed lit for over 40 hours in a test conducted in 1879. This was a significant achievement as it far exceeded the performance of other light bulbs at that time.
The light bulb had already been invented, Cruto was an Italian inventor who improved on Thomas Edisons incandescent light bulb Alessandro Cruto in 1881