31 
A few further experiments were made to test its peuetration through 
cotton fabrics with the following results : 
' SPRINKLED ON SHEETS, MUSLIN, AND CHEESE CLOTH. — TIME OF 
EXPOSURE, TWO TO THREE DAYS. 
Xo. 51.' 
Two and seven-tenths cubic centimeters formalin per square foot, 
sprinkled, sheets, forty-eight hours. 
Four cubic centimeters formalin sprinkled on sheet at bottom of a 
box 15 by 15 by 15 inches. Cultures fresh and moist on slips of filter 
paper placed ‘between layers of sheet. Box opened after forty-eight 
hours, culture held in ammonia gas one half minute and then planted 
in bouillon. 
Layers of sheets. 
Typhoid. 
Anthrax. 
Diph- 
theria. 
0 



4 
— 
— 
— 
18 
— 
— 
20 
— 
-f- 
— 
oo 
— 
“T 
24 
— 
-4- 
+ 
26 
— 
+ 
28 
— 
+ 
-1- 
Controls 
-h 
-f- 
“T 
From Xo. 51 it is seen that formalin will penetrate through about 15 
layers of sheets, which, however, does not equal in bulk 3 layers of 
blankets. 
Xo. 52. 
Two and seven-tenths cubic centimeters formalin per square foot, 
spiiiikled, cheese cloth, seventj"-two hours. 
Four cubic centimeters formalin sprinkled on cheese cloth at bottom 
of a box 15 by 15 by 15 inches. Cultures freshly jirepared and moist 
on slips of filter paper placed between the layers of the cheese cloth. 
Box opened after seventy-two hours, cultures held in ammonia gas one- 
half minute and then planted in bouillon. 
Layers of cloth. 
Typhoid. 
Diph- 
theria. 
26 

-r 
38 
-1- 
-h 
.51 

64 
-t- 
7*< 
+ 
+ : 
88 
+ 
+ 
Controls 
+ 
-f- 
