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
Memorial of the War to Resist US Aggression and Aid Korea Memorial of the War to Resist US Aggression and Aid Korea The Memorial of the War to Resist US Aggression and Aid Korea (), also translated as the Korean War Museum, is a museum in Dandong, Liaoning. It is the only official museum in China that memorializes the Korean War (called the "War to Resist US Aggression and Aid Korea" in China). First established in 1958, it was rebuilt at its current location in October 1990. The new museum was opened on 27 July 1993, the 40th anniversary of the Panmunjom armistice. Since 2014 it has been closed for refurbishment.