PHILADELPHIA 
filter Pumps, Cork Borers and Cest 
Cube Brusbes 
No. 2396 
No. 2400 
2396. Filter Pump — Chapman^s Improved — Brass — Small, Neat and 
Efficient. 
Small size $1.50 
Large size 3.00 
Screw coupling for attaching to spigot 40 
2398. Cork Borers— Very Superior Make and Finish, 
I to 3 I to 6 I to 9 I to 12 I to 15 
Per set. $0.60 I.IO 1.50 2.00 3.00 
2400. Lentz's New Test-Tube Brush. — The only brush made that 
will effectively clean the part of test-tube near the end. Bristles on sides are 
short and stiff, large tuft of extra long bristles at end, which is bent over when 
inserted. Extra heavy stiff handle, with Iarg;e ring; (not shown in cut), so that 
the brush is easily and comfortably grasped. Especially useful for ' ' Board of 
Health" serum tubes. 
For 4 X ^ tubes, each 
$0.12 
.12 
A shows method of introducing this brush by bending over the extra long" 
tuft of bristles at end. 
B shows brush in position for cleaning, which is done by simply rotating the 
brush without any rectilinear motion. 
2402. Flask and Bottle Brushes. — Extra well made. 
Each $0.50 
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