Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
Western Cartridge Company Western Cartridge Company The Western Cartridge Company manufactures small arms and ammunitions. Founded in 1898, it was the forerunner of the Olin Corporation, formed in 1944, of which Western is still a subsidiary, and is based in East Alton, Illinois, USA. Western Cartridge Company acquired the Winchester Repeating Arms Company after Winchester went into receivership in 1931. Franklin W. Olin received an engineering degree from Cornell University in 1886. After working at gunpowder mills in the eastern United States, he was one of several investors establishing the Equitable Powder Company in 1892 at East Alton, Illinois. Production of blasting powder