12 A
ANALYTICAL
CHEMISTRY
Get the Sensational New
BECKMAN Model N
ph METER from
WILL Y o u ' l l w a n t this new, completely p o r t a b l e , batteryo p e r a t e d p H i n s t r u m e n t . . . t h e p H meter that i s l o w in p r i c e , light in w e i g h t , c o m p a c t in d e s i g n , a n d amply r u g g e d to be used i n d o o r s , o u t d o o r s — anywhere — w i t h o u t d e p e n d i n g on o u t s i d e p o w e r circuits.
NEVER
BEFORE
have
advantages
like
these been combined in a single pH instrument! •
Accuracy to better than 0.05 pH.
•
Low operating cost—less than 2$ per hour.
•
Built-in temperature compensation—0° to 100°C.
•
Fast warm-up—less than 10 seconds.
•
"Check Pointer" eliminates need for frequent buffer standardization.
•
Batteries easily checked with panel controls—no need to disassemble instrument.
•
Same wide variety of electrodes as Models M and H-2 Beckman pH Meters. By far the most rugged overall construction of any pH meter.
Completely portable . . . extremely rugged. . . and low in price!
.
really
1 6 1 8 3 T — pH METER, Beckman Model N-2; same as N o . 1 6 1 8 2 T , but with hinged cover to contain accessories provided in N o , 1 6 1 8 2 T , plus T h e r m o m e t e r and polyethylene bottles for buffer and water .• $195.00
ELECTRODE SUPPORT rotates alongside case, for easy carrying. Use in horizontal or vertical position.
CONVENIENT CONTROLS permit checking amplifier and battery without opening case.
SOLID CAST-ALUMINUM case is rugged, light. Beck, man glass electrode is virtually unbreakable.
If you w a n t further p a r t i c u l a r s , ask us for Beckm a n Bulletin 2 6 3 . W r i t e , w i r e , p h o n e o r teletype D e p t . {AC}, o u r nearest office-warehouse listed below.
• N E W Y O R K 1 2 , N. Y. WILL CORPORATION
CO.
• BUFFALO 5, N. Y. BUFFALO APPARATUS CORP.
.
1 6 1 8 2 T — pH Meter, Beckman Model N - l ; single case with attached handle. Dual scale meter 0 - 8 and 6 - 1 4 p H . W i t h Glass and Reference Electrodes, 50 ml. Beaker, pH 7 BufiFer Solution and KC1 Solution $180.00
Order NOW from WILL . . . authorized supplier of B e c k m a n i n s t r u m e n t s . . . a n d assure s h i p m e n t from o u r first deliveries from t h e manufacturer.
• ATLANTA 3, G A . SOUTHERN SCIENTIFIC
compact .
SERVING SCIENCE THROUGH SUPPLY ROCHESTER
3, N. Y.
WILL
CORP.
• BALTIMORE
1,
MD.
WILL CORPORATION of Md.