Edison Patents Incandescent Lamp

Incandescent Lamp PatentJanaury 27, 1880

Thomas Edison patents the electric incandescent lamp. While other incandescent lamps were created before his,¬†Edison’s version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve (by use of the Sprengel pump) and a high resistance that made power distribution from a centralized source economically viable.

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