CHAS. LENTZ & SONS 
I Electrical Centrifuge, witii urine attachment, i graduated tube and [2 plain 
tubes. 
I speed regulating Rheostat. 
I Haematocrite, with 2 graduated tubes and 2 plain (Sputum) tubes. 
I Snap Switch. 
I attachment plug and cord. 
Price, complete $35 00 
For investigation of urine, blood and bacteria. Made in the Edison Factory, 
Orange, N. J. Constructed especially for durability, economy of current and high 
speed. Special circular on application. 
Untz*$ lirinc Centrlfuse 
No. 2878 
287 8. Lentz^s Urine Centrifuge, for immediate precipitation of uri- 
nary deposits, etc., complete, with two plain urine tubes, one 
graduated urine tube and pipette 
Provided with steel gears intermeshing with gears of hard com- 
position metal. 
The number of revolutions to every turn of the crank being 
kn own, the actual number of revolutions per minute is 
easily ascertained and kept constant. 
Every one has given perfect satisfaction wherever placed. 
