240 Dr. 0. Masson. On the Wetting of [Apr. 25, 



Table III. Summary of Series IV. 

 0'53 gramme of cotton covering thermometer C. Saturated air 



immersion, with better arrangements than in Series III. 

 temperature 18'0. r = about 5| minutes. 



Bath 



9' 



l 



\ 





30' 





30' 



Fig: 



4. 



^r 



Fig. 3. Immersion at 18'0 of 0'53 

 gramme of dry cotton. 



(a) In water. 



(b) In saturated air. 



Fig. 4. Immersion of 0'53 gramme of 



dry cotton in saturated air. 

 (a) At25-0. 

 (*) At 18'0. 

 (c) Atl2-0. 



