original vintage american industrial machine age oversized electric drill attributed to black & decker, baltimore, md. the oversized electric drill was salvaged from an old hardware store that recently closed. the drill retains the original detachable handle. the drill is strictly being sold as a unique industrial display object. the cord and trigger are missing. the exterior casing has been refinished and sealed with a clear coat lacquer. likely dates to the late 1930's or 1940's. black & decker corporation was founded in 1910 by s. duncan black and alonzo g. decker as a small machine shop in baltimore. decker, who had a seventh grade education, had met black in 1906, when they were both 23 year-old workers at rowland telegraph co. in 1917, black & decker invented the familiar portable electric drill, obtaining a patent for a hand-held drill combining a pistol grip and trigger switch. its logo, a hexagon, has been used in one form or another since 1912; it represents a hexagonal nut, a universal fastener. measures 13 1/4 x 5 3/8 x 10 inches.