Artifacts
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- Search Terms: PVH Weems
Displaying 1 - 5 of 7
Artifact
Ed Collen, a NASA engineer, built this prototype device as a backup for Apollo astronauts in case their primary navigation system failed.
Artifact
Weems used this sextant in training Charles Lindbergh and Lincoln Ellsworth.
Artifact
The Link A-12 Sextant represented a new generation of “averaging” sextants.
Artifact
Early 1930s military version of the Gatty Drift Indicator.
Artifact
It reduced computations for celestial sightings through the use of the Greenwich Hour Angle.
