hide Matching Documents

The documents where this entity occurs most often are shown below. Click on a document to open it.

Document Max. Freq Min. Freq
Knight's Mechanical Encyclopedia (ed. Knight) 2 0 Browse Search
View all matching documents...

Your search returned 2 results in 1 document section:

Knight's Mechanical Encyclopedia (ed. Knight), B. (search)
e Army of the Potomac. The celebrated French chemist, Gay Lussac, in 1804 reached the hight of 23,040 feet, and carried up with him the necessary means for making scientific observations on the character and properties of the atmosphere at that great hight. This was for many years considered the most remarkable balloon ascent ever made, both in regard to the hight attained and the observations made. The great tenuity of the atmosphere in those elevated regions is said to have affected M. Lussac to such a degree that his system never fully recovered from it. An English aeronaut named Glaisher, it is said, has recently succeeded in reaching the hight of seven miles. He was rendered seriously ill, and was supposed to have burst some bloodvessels. Charles Green introduced the practice of inflating balloons with ordinary illuminating-gas, making his first ascension with this medium on the day of the coronation of George IV., 1820. Illuminating-gas, besides being much cheaper than