detect and continually record... output variable from 800 to 1500 volts d.c. at 50 μ&. or greater through selfcontained control. Printed circuitry and a removable cover enable field serv icing, and the instrument is said to have low ripple. Wm. B. Johnson & Associates, Inc. P-36
SILICA*
concentration down to 0.001 ppm
with the
T E C H N I C O N ®
AutoAnalyzer® A f i e l d - p r o v e n s y s t e m . . . over 1500 AutoAnalyzers a r e now automating routine wet-chemistry analyses in plants a n d laboratories throughout the free world . . . analyzing up to 6 0 repetitive samples per hour a n d monitoring on-stream continuously. *Detects other trace elements too, e.g.; iron, copper, sugar, chloride, phosphate, etc. A total of 60 fully-automated determi nations now possible, more are coming. Send for your free abstract method kit and brochure AKB today
Buchner table type funnel, made of linear polyethylene, is usable at tem peratures to 2 3 0 ° F. and will take vacuum to 3 0 i n . without collapsing, according to the company. Top sec tion, having the filter plate, is separ able from the bottom for ease of cleaning. The American Agile Corp. P-37
TECHNICON CONTROLS, INC. R E S E A R C H PARK
·
C H A U Ν C E Y, N . Y .
Circle No. 199 on Readers' Service Card
Loomis
HYDRAULIC PRESSES
IDEAL FOR FORMING KBR PELLETS LABORATORY HYDRAULIC PRESSES FORMING PELLETS FOR X-RAY AND SPECTROSCOPIC ANALYSIS Available in 30 and 50 ton sizes. Accessories for temperature, pressure, extrusion, testing units, etc. for all models. • 20 ton capacity hydraulic press • Guided moving 9" X 9" platen • Even pressure distribution for density • Bench operated
Hetotherm circulating thermostats are designed for heating, cooling, or con trol of liquid temperatures in a closed system; also for circulating liquids to outside sources. Thermoregulator, said to be accurate to 0 . 0 1 ° C , comes in several ranges. Several variations are available. Schuco Scientific. P-38
uniform
Loomis
Applications
• Accurate alignment in operation • Rugged 3 & 4 column construction • 22" maximum vertical opening, justable • Self-contained f o r ceramic
a n d powder
mefafs
ad
pressing
WRITE FOR BULLETIN
ENGINEERING & MFG. CO.
DEPT. A , ROUTE 46 CALDWELL, N. J. Circle No. 133 on Readers' Service Card
VOL. 33, NO. 2, FEBRUARY 1961
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155 A
