EVAPORATION. 



Erroneously ascribed to Chemical Combination. Takes place from tbe Surface. Law discovered 

 by Dalton extended to all Liquids. Limit of Evaporation conjectured by Faraday. Hygrome- 

 ters. Various Phenomena explained by Evaporation. Leslie's Method of freezing. Examples 

 in tbe useful Arts. Methods of Cooling by Evaporation. Dangerous Effects of Dampness. 

 Wollastou's Cryophoros. Pneumatic Ink-Bottle. Clouds. Dew. 



VOL. II. 11 



