Safety razor entitled "Fuck Everything, We're Doing Five Blades" predicted the release of five-blade cartridges, two years before their commercial introduction. South Korean manufacturer Dorco released their own six-blade cartridge in 2012, and later released a seven-blade cartridge. Gillette has also produced powered variants of the Mach3 (M3Power, M3Power Nitro) and Fusion (Fusion Power and Fusion Power Phantom) razors. These razors accept a single AAA battery which is used to produce vibration in the razor; this action was purported to raise hair up and away from the skin prior to being cut. These claims were ruled in an American court as "unsubstantiated
Peters Cartridge Company on 15 July 1890 triggered an explosion killing twelve people and starting fires destroying the railroad station, the freight house, two Peters Cartridge Company office buildings, the shell factory, the cartridge loading plant, a large warehouse and six employee residences. Wood-frame structures were rebuilt on the opposite side of the river from the old powder works included a large shot tower completed in 1895. The last wood-frame structures were machine shop building R-3 and shotgun shell loading building R-21 built in 1907. With the approach of World War I the company received large ammunition orders from the Russian Empire and