Device used to test breathing strength used by John Glenn during NASA's Project Mercury training
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Date
1959
Authors
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Journal ISSN
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Publisher
The Ohio State University
Abstract
Description
Device used to test breathing strength used by John Glenn during NASA's Project Mercury training, circa 1959.
Artifact Size: 5L by 1.25 inch diameter.
Credit: John Glenn Archives, The Ohio State University.
Artifact Size: 5L by 1.25 inch diameter.
Credit: John Glenn Archives, The Ohio State University.