Edison patented the incandescent light bulb 145 years ago, on January 27, 1880. WHO DID IT BEFORE EDISON? Edison didn't come up with the idea of electric lighting even though he gave us the first ...

But first, Edison established the Edison Electric Light Co., assigned 2,500 shares to himself and sold 500 shares to investors including William Vanderbilt. Edison’s team made two major innovations.

Edison and his team of researchers tested more than 3,000 designs for bulbs between 1878 and 1880. In Nov. 1879, Edison filed a patent for an electric lamp with a carbon filament, according to the ...

Edison and light bulb. The earliest known lamps are some 40,000 years old. Cave dwellers in Western Europe made them by hollowing out stones, ... But again, Edison wasn't the first.

Edison’s first practical light bulb used a carbonized cotton thread for that purpose; modern bulbs use tungsten filaments in an inert gas. Recommended. Transformation ...

At Menlo Park Edison led a comprehensive survey of filament materials, selecting carbonized bamboo for his first commercial electric light bulb. Acknowledgments Adapted for the internet from “Thomas ...

FALL RIVER — It’s been long overdue — 95 years in fact — but Saturday saw the unveiling of a headstone and memorial for 19th century Black inventor Lewis Howard Latimer at Oak Grove ...