William Greener (1806 - 1869) was an English inventor and gunmaker. He developed a self-expanding bullet in 1835, an electric lamp in 1846 (patent specification 11076 of that year) some 33 years before Tomas Edison's patent in 1879. William Greener also invented the percussion system for firing cannon, … Wikipedia
The definitive Wikipedia entry for William Greener. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_Greener
