The Sperry Gyroscope Company researched, developed, and manufactured navigation equipment; three of the premiere products were the marine gyrostabilizer, the gyrocompass, and the high-intensity searchlight. The company was founded by Elmer A. Sperry (1860-1930) in 1910. Sperry Gyroscope Company photographs and films consists primarily of images of products and inventions developed between 1912 and 1965, a bulk of materials date from 1940 through 1960. The collection has been organized into five series: Personnel; Plants, Sperry School, and Museum; Products; Public Information Department; and Visitors, exhibits, models, and patents.