Country of Origin: United States of America
3-D Test: 20.3 x 24.8 x 20.3cm (8 x 9 3/4 x 8 in.)
Case and interior parts: metal, probably aluminum
Face plate: glass
This is an unflown example of a device mounted in the Apollo spacecraft, which provided astronauts with a visual indication of their attitude in three-dimensional, zero-gravity, inertial space.
Transferred from NASA to the Museum in 1979.
Transferred from the National Aeronautics and Space Administration