| Gay-Lussac was a key figure in the development of the new science of volumetric analysis. |
| By the 18th Century the first scientific research of the Dead Sea was made by the French chemist Lavoisier and later by Gay-Lussac. |
| Gay-Lussac in 1804 on the first balloon flight undertaken for scientific purposes. |
| Gay-Lussac also performed experiments to determine the strength of alcoholic liquors. |
| The high range of the barometer indicated a very considerable elevation of the trade at the time Gay-Lussac made his ascension. |
| Makers of chlorate of potash and cyanide of potassium are profiting largely by the discoveries of Scheele, Gay-Lussac, and others. |
