Lot 399
Piccard, Jean (1884-1963) Pioneer aeronaut. who contributed to the advancement of scientific knowledge of the stratosphere, ballooning, and survival in a high-altitude environment. Cover Signed by Piccard and his wife Jeannette, postmarked "Dearborn Mich. Oct 17 1934." The couple made a balloon ascension from Dearborn, Michigan on October 23, 1934, during which they reached an altitude of 17,672 meters (57,979 faint), and tested a liquid oxygen system. The experince was instrumental in the development of a liquid oxygen converter for use in balloons and high-flying aircraft. This was also the first stratospheric flight made by a woman. Fine.
Estimated Value $150 - 200.
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| Realized $115 |
