Sperry Corporation the new automatic pilot. In 1924, following the death of Lawrence on December 13, 1923, the two firms were brought together. The company became Sperry Corporation in 1933. The new corporation was a holding company for a number of smaller entities such as the original Sperry Gyroscope, "Ford Instrument Company", "Intercontinental Aviation, Inc.", and others. The company made advanced aircraft navigation equipment for the market, including the Sperry Gyroscope and the Sperry Radio Direction Finder. Sperry supported the work of a group of Stanford University inventors, led by Russell and Sigurd Varian, who had invented the klystron, and incorporated this
Sperry Marine Northrop Grumman Sperry Marine Northrop Grumman Northrop Grumman Sperry Marine is part of Northrop Grumman Electronic Systems and, through various mergers, has built a heritage that includes Decca Radars, Sperry Marine, and C. Plath. Northrop Grumman purchased Litton Industries in April 2001 forming Northrop Grumman Sperry Marine. Sperry Marine Northrop Grumman offers a range of marine navigation products and solutions including Marine Radars, Gyrocompasses, Steering Systems, Autopilots and Integrated Bridge Systems. Sperry Marine is one of the oldest manufacturers of gyro compasses. Its founder, Elmer Ambrose Sperry, was working on the first prototype of the gyrocompass at the same time as Hermann