Device featuring a star chart of the constellations over a reverse map of the world, carried by John Glenn as an emergency navigational aid during the Friendship 7 space flight

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1962-02-20

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The Ohio State University

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Slide rule type device made by the Grumman Corporation featuring a star chart of the constellations over a reverse map of the world, carried by John Glenn as an emergency navigational aid during the Friendship 7 space flight on February 20, 1962.
Artifact Size: 10.25W by 3.75H.
Credit: John Glenn Archives, The Ohio State University.

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