Country of Origin: United States of America
Dimensions:
8 3/4" x 4 5/8" x 3 3/8"
Materials:
Anodized Aluminum
Stainless Steel
Glass
Aluminum
Paint
This is probably an unflown fragment of the optical system used on the Apollo Command Module to assist the astronauts in navigation from Earth to the Moon and back.
Found in collection. Donor unknown at this time. Found on NASM premises.