Grote Industries - While Thomas Edison is credited with the creation of the first commercially practical incandescent light in 1879, Humphry Davy actually invented the first practical electric light more than 70
Moonlight towers: light pollution in the 1800s - LOW-TECH MAGAZINE
Arc lamp - Wikipedia
Arc Lamps - How They Work & History
An old engraving of an early example of an electric light. It is from a Victorian mechanical engineering book of the 1880s. English chemist Humphry Davy developed the first incandescent light in
Electric arc lamp hi-res stock photography and images - Alamy
How Light Bulbs Made the Industrial Revolution Possible | Stewart Lighting