110 



Professor Calvert on the Action of 



proportions of from two to four per cent, on cotton and flax 

 fabrics, and added to their scorched appearance. 

 The results observed are shown in Table III. 



< 



d 

 Id 



rH 



Linen. Cotton. 

 Uninjured. Slightly in- 

 jured. 

 Do. Do. 



Slightly injured. 



Very much injured. 



d 







o 



O 



Linen. Cotton. 

 Uninjured. Uninjured. 



Do. Very slightly 

 injured. 

 Very slightly injured. 



More injured. 



d 



o 



O 

 00 



Linen. Cotton. 

 Uninjured. Uninjured. 



Do. Very slightly 



injured. 

 Do. Do. 



Rather injured. 



Immersed in water alone, . 



Water containing 2 per cent. 

 Tartaric Acid, 



Citric Acid, 



Oxalic Acid, 





d 



T-* 



Linen. Cotton. 

 Much injured. 



Much injured. Very slightly 

 injured. 

 Quite rotten. 



d 



o 



O 

 O 



Linen. Cotton. 

 Very much injured. 



Much injured. 



Very much injured. 



d 



O 

 *^ 



00 



Linen. Cotton. 

 Slightly injured. 



Very slightly injured. 



Much injured. 



Water containing 4 per cent. 

 Tartaric Acid, 



Citric Acid, 



Oxalic Acid, 



