Save a BUNDLE with
MiniVial
40-218 MiniVial
Standard 20-mlVial
Look into our Zoom
Stereomicroscope
in H o l d e r
THE LIQUID SCINTILLATION VIAL* THAT CUTS COUNTING COSTS.
WVItll
• Uses less scintillator than any other vial. • Compatible with all liquid scintillation counting systems. MiniVials have a 7-ml capacity. You insert the same amount of radioactive material as in a 20-ml vial BUT useonly one-third to onehalf of the scintillation chemicals. THE SAVINGS ARE DRAMATIC. Made of high-density polyethyl ene, they will not leak toluene or bulge . . . even weeks later. They have a lower b a c k g r o u n d and higher efficiency than glass. Re usable vial holders make MiniVials compatible with all liquid scintillation counters.
EXTRA SPECIAL
INTRODUCTORY OFFER 200 MiniVials $ 00 12 Holders
15
Send for your introductory offer TODAY. Immediate delivery.
· you'll really see something.
You'll see exceptionally crisp, c o m p l e t e l y flat images. You'll see a superbly crafted Swiss instru ment w i t h large field diameters, ample w o r k i n g distance, and convenience like never before, plus stands for all requirements. Field diameter at 6x is 36.0mm; at31x,6.6mm.Total power range:3xto124x. Photomicrography? Simply insert the photo tube with trinocular head under the binocular and attach the 35mm magazine (shown in photo). Or use a Polaroid® Pack Adapter. Select depth of field with built in double iris diaphragm, focus, observe and take your photo. Wild M-7A Zoom Stereomicroscope. Look into it. Λ
For m o r e d e t a i l s , a s k for Bulletin 95-U.
Write or call for Brochure M-7A.
(8
N u c l e a r A s s o c i a t e s I n c . ' U . S . Patent 3,888,745
NUCLEAR ASSOCIATES, INC. Subsidiary of RADIATION-MEDICAL PRODUCTS CORP. 35 URBAN AVENUE, WESTBURY, N.Y. 1 1 5 9 0 PHONE (516) 3 3 3 - 9 3 4 4 CIRCLE 1 6 5 O N
READER SERVICE C A R D
WILD HEERBRUGG INSTRUMENTS, INC. FARMINGDALE, NEW YORK 11735 · 516-293-7400 W I L D O F CANADA, 881 L A D Y ELLEN P L A C E , O T T A W A 3, C A N A D A W I L D O F MEXICO, S.A. L O N D R E S 266, M E X I C O 6, D. F.
CIRCLE 2 4 6 ANALYTICAL
ON
CHEMISTRY.
READER SERVICE CARD VOL.
47,
NO.
13, N O V E M B E R
1975
·
1203 A