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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.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type SPACECRAFT-Crewed-Guidance & Control Manufacturer Kollsman Instrument Company
 Dimensions 8 3/4" x 4 5/8" x 3 3/8"
 Materials Anodized Aluminum
Stainless Steel
Glass
Aluminum
Paint
 Inventory Number A20020515001 Credit Line Found in collection. Donor unknown at this time. Found on NASM premises. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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