ScientificAmerican1923-12.jpg Scientific American 1923-11ThumbnailsScientific American 1924-01Scientific American 1923-11ThumbnailsScientific American 1924-01Scientific American 1923-11ThumbnailsScientific American 1924-01Scientific American 1923-11ThumbnailsScientific American 1924-01

Record-breaking altitude flight conditions in the low-pressure caisson. Studying the effects of low atmospheric pressure on pilots.



Artist:

Source: Steve Kirch, collector, and creator of this website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner