On January 26, 1879, who was granted a patent for r an electric lamp using "a carbon filament or strip coiled and connected to platina contact wires"
Wizard of Menlo Park ThomasEdison The Wizard of Menlo Park Tom alva edison Thomas A Edison Thomas Alva Edison Thomas edison Thomas Edison Thomas Edision Thomas edison the inventor Biography of thomas edison About thomas edison Thomas Alba Edison Tom Edison Thomas A. Edison Thomas alva edison Thomas edison phonograph Alva Edison
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thomas edison
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Thomas Edison