WACO POWER STIRRER
HIGH TORQUE FOR C O N T I N U O U S 24 HOUR SERVICE Automatic pipet measures 0.1 ml. of blood for glucose analysis and dilutes it to a final volume of 2.00 ml. with barium hydroxide solu tion. This instrument, de signed and partially con structed in the laboratory, has been found to be more economical and to have less down time than commercial instruments. It is used to pipet and dilute about 8 0 0 0 samples per month
Atomic absorption spectrometer ac curately measures calcium and magnesium in serum. The instru ment attachment on top of the monochromator gives a direct read out of concentration so that a sam ple of serum taken into an auto matic pipet and read in the instru ment could be analyzed from start to finish in 3 0 seconds Flame photometer provides direct readouts of sodium and potassium. On the left is an automatic pipet used to measure 80 microliters of serum and dilute it 200 times with a lithium reagent. The sample is aspirated into the flame (center), and the final concentrations are read (right). The entire analysis from sample to result takes 3 0 seconds
$OQ50 ONLY... ΔΌ No other stirrer made will give as m u c h service per dollar. Use the WACO Pow er Stirrer 2 4 hours a day, 7 days a week for m o n t h s at a t i m e . . . not a stock m o t o r converted to a stirrer, b u t a sparkless i n d u c t i o n type m o t o r spe cifically designed for laboratories . . . where long, continuous use is r e q u i r e d . Two shaft speeds, 3 0 0 and 6 0 0 R.P.M., cover the m a j o r i t y of applications. A built-in cooling fan allows contin uous operation w i t h o u t overheating or b u r n i n g out. 8 6 1 0 0 — W A C O Power Stirrer, w i t h t u bular brass m o u n t i n g rod and 6 f o o t cord . . . only $ 2 9 . 5 0 . Stirrer chucks, $ 1 . 8 5 ea., set of t h r e e s t i r r i n g rods ( s m a l l , m e d i u m , large), $ 8 . 0 0 . Order direct or write for descriptive folder. LABORATORY SUPPLIES A N D EQUIPMENT
WILKENS-ANDERSON 4525 W . D I V I S I O N ST.
CO.
C H I C A G O 5 1 , ILL.
Circle Ne. 99 on Readers' Service Card
VOL. 36, NO. 4, APRIL 1964 ·
109 A
