Country of Origin: United States of America
3-D Test: 6 x 4.1cm (2 3/8 x 1 5/8 in.)
Housing and rotor: various metals including possibly aluminum, steel, and beryllium. Some ceramic parts and wires.
This is a gyroscope assembly that was manufactured by the AC Spark Plug Division of General Motors, and used in a variety of ballistic and guided missiles. A similar type of gyro was used in the Apollo program. The design of the gyro was probably done by the MIT Instrumentation laboratory, under the direction of Charles Stark Draper.
Gift of Delphi Electronics & Safety