MARCH 10, 1940
NEWS EDITION
211
EASTERN KNOWN THE WORLD OVER FOR FINE PRECISION EQUIPMENT MIDGET LABORATORY PUMPS d o t h e work of m u c h larger p u m p ·
PROFITS THROUGH P H CONTROL
Type—Centrifugal Site—5" x 2 1/4 x 2 1/3 Weigh1—2 1/4 lbs. Power—Model "A"—1/100H. P. Model "Β"—1/90 H. Ρ. Identic*! in eiie Model "A" US toll* A. C. tîS 9oUê D. C. Maximum Pressure 10 lbe. 12 lbe. Maximum Capacity 5 ami* per min. β gale, per min. Modal "B" HSwolU. A.C. or D. C. Maximum Pressure 20 to 30 lbe. Maximum Capacity 8 aale. per min. Complete with 115 Volt A . C . or D . C . Motor ModH Bronte Monti "A" $18 50 $21 50 "Β·* $21.M) $24.50 other model· ftvtuUble
LABORATORY STIRRERS
If you arc now controlling the pH of your processes you can benefit from the increased speed, accuracy, and versatility of the Beckman INDUSTRIAL MODEL pH METER. If you are not controlling pH, a letter outlining your production processes and problems will bring helpful information on how you can speed up operations, reduce spoilage, increase profits, and obtain uniformly superior products with this accurate simplified meter. This service is free and incurs no obligation.
. Variables speed models for laboratory use • A l l sizes for industrial service • Monel Metal propellers • Precision built throughout Write for free catalog of complete line
21070 Beckman Industrial pH Meter $150.00 CENTRAL SCIENTIFIC COMPANY SCIENTIFIC INSTRUMENTS
EASTERN ENGINEERING CO.
LABORATORY APPARATUS
41 Fox St.
N o » y o * · toifo» · CHICAGO · TONMNO · U t A o f o h i
H-B
NewHavenConn.
THERMO-REGULATORS
Adams
SmiUat
CENTRIFUGES Whichofthesethree? will answer your requirements. Thiο» series of ADAMS Centofuoes. Uluntraied above by the "ANCLE" nodil of each series, o r · avouable lor MICRO. SCMIMCIIO. end lcraer tub·*. . . . Priced from f 174$ to Stt. CATALOG CI I · WSJ. Κ SUT ON KQOKST.
CLAY-ADAMS • · The All Purpose INDUSTRIAL DRYING AGENT for Drying Solids - Liquids · Gases
DRIERITE Neutral, Stable, Constant in Volume. Inert (except toward water), Insoluble in Organic Liquids, Non-ditintegrating, NonWetting, Non-Poisonous, Non-Corrosive, Repeatedly Regenera tive, and Low in Cost. Writ for Bulletin
W. A. HAMMOND DRIERITE COMPANY YELLOW S P R I N G S . OHIO
H
B:
Sensitive
within1/10of1oF • H - B Red-Top T h e r m o Regulators are t h e latest addition t o t h e famous Double· D i a m o n d line of H - B devices for tern· porature indication a n d control i n i n dustry. T h e i r purpose Is t o assure close accuracy—t/ie of 1° P.—In instruments t h a t can be readily applied to any Job a n d easily changed f r o m one job—or one setting—to another . . . T h e y provide— w i t h rugged reliability—simple, efficient temperature control a t a n y holding points or ranges specified between —3·° F. a n d 3 # t ° P.
Another H-B Blue Bo^k, Part 4, has boon prepared to answer all questions retarding Red-Top Thermo-Regulators... Write for your copy today.
H-B INSTRUMENT CO., INC. 2512 N o r t h B r o a d Street PHILADELPHIA, PENNSYLVANIA
