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.
Peters Cartridge Company Peters Cartridge Company The Peters Cartridge Company was a company in Kings Mills, Ohio that specialized in gunpowder and ammunition production. Its historic buildings, built in 1916 at 1415 Grandin Road, were added to the National Register of Historic Places on October 10, 1985. Joseph Warren King purchased the Austin & Carleton powder mill on the Little Miami River in 1855 and expanded it as the Miami Powder Company including the company town of Goes Station, Ohio. King sold the Miami Powder Company in 1877 to build the Great Western Powder Works with the company town of Kings Mills at