V O L U M E 24, N O . 10, O C T O B E R
39 A
1952
FOR IMMEDIATE DELIVERY! WORLD'S FINEST MICROBALANCES! OERTLING "MICROGRAM" # 142 - DAMPED - $ 1,040.00 #143-UNDAMPED-$880.00
SARTORIUS
EXCLUSIVE U. S. AGENTS
C. A. BRINKMANN & CO. P. O. BOX 5 3 2 GR. NECK, Ν. Υ.
MDP4, DAMPED, $ 8 0 0 . 0 0 For Rapid Weighings
SELECTA Semi-micro AUTOMATIC SPEED BALANCE $985.00
twtffc wtitoComplete line
FOR ALL PHASES OF
Selas Micro-Porous Porcelain laboratory filter ware can be used for all types of laboratory nitra tions, from the clarification of chemicals to the cold sterilization of pharmaceuticals. Rapid, microscopic filtrations are possible with Selas Micro-Porous Porcelain filter media . . . a fine porous membrane with precisely controlled pore sizes. All Selas filter ware is chemically inert, highly resistant to heat, and mechanically strong.
SELAS
LABORATORY FlLTRATIONS The complete line of Selas filter ware comprises: Filter Crucibles Filters for Micro and Semi-Micro Analyses Filter Funnels Filter Candles Special items, incorporating Selas M i c r o - P o r o u s Porcelain F i l t e r Media are available upon request.
WRITE FOR CATALOG WL·
CORPORATION Scientific
OF
Equipment
AMERICA Division
PHILHDElPHin 34, PEMlSVlUnilin