Figure 12: Joseph Louis Gay-Lussac and Jean-Baptiste Biot ascend in balloon conducting scientific experiments
On August 24, 1804, Joseph Louis Gay-Lussac and Jean-Baptiste Biot ascended in a hot air balloon to a height of 4,000 meters altitude in order to conduct scientific experiments on gases. These experiments led to…
Cachet and semipostal stamp depict Gay-Lussac. Cachet depicts a book titled "Law of Gay-Lussac" and various scientific apparatus. Envelope is addressed to Mrs. Richard M. Lawrence, President of the ACS Wives Club.