Aérosiats—Perfumes. 109 
Aérostats.—The Academy of Sciences in Dijon having asked of that in 
Paris aid and money for an aérostatic ascension & ballon captif which it 
ade two b 
every thing. According to Vaillant, the force of a wind even moder- 
made and witnessed since 1797 a great number of ascensions & ba 
captif and that Col. Coutelle, sub-director of the school of aérostiers never 
doubted the utility of such ascensions when well directed, which may 
not have been the case at Vincennes. 
Correspondence of Jerome Nicklés, dated Oct. 30, 1856. 
* Jomard, the geographer, who attended this school stated that he “a 
given origin to it. We have spoken several times of the experiments of 
Millon on wheat. On treating wheat or its farina with ether, some 
om the grain taken in mass. This aromatic principle 
ent and may be distinguished still in the fatty matter after 
th rancid 
osphere. In some parts of northern 
thermometer reaches +70° C.; he then employs with success the vola- 
tile solvents, such as sulphuret of carbon, ether, chloroform, wood spirit, 
