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Incandescent Electric Lighting: A Practical Description

Lewis Howard Latimer

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1890

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Innovators

3-Minute Summary

Latimer's technical manual on incandescent electric lighting, written while he worked for Edison General Electric. Latimer invented the carbon filament that made the light bulb practical and durable, and supervised the installation of electric light systems in New York, Philadelphia, Montreal, and London.

Why It Matters

Latimer's carbon filament patent (1881) is what made Edison's light bulb commercially viable. Without Latimer's innovation, the light bulb would have remained a laboratory curiosity. His technical manual is the primary document of his contribution.

Where to Read

Smithsonian Institution (digitized)

Verified: Smithsonian Institution, USPTO

Key People

Lewis Howard Latimer

Thomas Edison

Hiram Maxim

Key Policies & Events

Patent lawEdison General ElectricElectrical infrastructure development