PHILADELPHIA 
Filter paper 
2904. Filter Paper, domestic manufacture, an excellent paper, very strong and 
of uniform texture, filters clearly and rapidly. 
Round, ioo Sheets in Pack. 
WHITE. 
4 inches diameter $0 12 
5 " " 
6 " " 
8 " " 
lO " " 
13 " " 
15 " 
18 " " 
20 " " 
GRAY 
$0 12 
JL 
15 
5 
20 
6 
33 
8 
46 
10 
70 
13 
86 
15 
1 20 
18 
1 50 
20 
2 00 
24 
$0 11 
14 
18 
28 
40 
60 
76 
1 10 
1 40 
1 80 
In Sheets 19 x 19 Inches. 
WHITE. 
GRAY. 
Per quire .... ....... $0 40 Per quire $0 38 
" ream 6 80 " ream 615 
2906. Filter Paper, Munktel's best quality Swedish No. i, giving least 
ashes of any paper made, 17 x 21 inches, quire 1 50 
2908. Filter Paper, Munktel's No. 2, for rapid and general analysis, 
17 x 21 inches, quire 1 25 
2910. Filter Paper, Schleicher & Schuell's No. 597, 24 x 24, quire . . 1 10 
An excellent heavy paper for bacteriological work, rapid and 
clear filtration of agar, antitoxin, etc. There is none better for 
the purpose, per ream 20 OO 
2912. Filter Paper, Pras Dumas, for agar filtration, diameter 13 inches, 
gray, per 100 sheets 50 
f25 
