Kollsmann D-1 Periscopic Sextant

The retractable periscopic sextant eliminated the need for astrodomes in pressurized aircraft. But their narrow field of view made finding a particular star more difficult.

Caption:
The periscopic sextant eliminated the need for astrodomes.
Type: Artifact
Image Date: 2012
Credit: National Air and Space Museum, Smithsonian Institution.
Origin: National Air and Space Museum, Smithsonian Institution.
Creator: Eric Long
NASM2012-02184
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The periscopic sextant eliminated the need for astrodomes.
The periscopic sextant eliminated the need for astrodomes.