During the Cold war era, Gurley manufactured gyroscopes, sextants, star trackers, theodolites, angle dividers, optical positioning systems, and various other precision guidance devices for guided missiles and for space launch vehicles. Teledyne Corporation acquired W. & L. E. Gurley in 1968. In 1993 Gurley was sold again and became Gurley Precision Instruments.
During the Cold War era, Gurley manufactured precision guidance devices for guided missiles and space launch vehicles. This period saw a significant focus on technological advancements in these areas. Teledyne Corporation acquired Gurley in 1968, signifying its importance in the field of aerospace technology.