Thomas Edison's Patent Application for the Light Bulb (1880) and Resource Materials

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PBS Learning Media
Thomas Edison's Patent Application for the Light Bulb (1880) and Resource Materials
This resource group contains two facsimiles, a transcript, and a background essay regarding Thomas Edison's 1880 patent application for the light bulb. On January 27, 1880, Thomas Edison received the patent, which embodied the principles of his incandescent lamp that paved the way for the universal domestic use of electric light.