S U Ρ Ρ LY CENTER
LABO RATORY MELTING POINTS in SECONDS with
EQUIPMENT
SERVICES Quality
Controlled
Laboratory
Animals
LABORATORY MICE
SPECIAL
Range + 5 0 °
LIGHT
Request
Τ·ΨΛ g
GEORGE WL GATES & CO. LUCILLE AVE FRANKLIN SQUARE, L.I.. N. V.
M E L - T E M P ® MEASURES CAPILLARY MELTING POINTS
The First Immersible Magnetic Stirrer MAG-JET is a low cost magnetic stirrer that can be immersed with complete safety, in your own bath. Requires no electricity . . . operates on water pres sure, air pressure or equivalent vacuum. MAG-JET is a compact, enclosed turbine, made of sturdy cast aluminum with an impeller that rides in jewelled bearings. BRONWILL MAG-JET with stirring bar. Cat. N o . 2 6 1 $ 1 6 . 9 5 each (less 1 0 % for 1 2 or more)
room t e m p e r a t u r e to 4 0 0 C
BRONWILL
•
5 0 0 C w i t h special thermometer
A DIVISION
•
rapid heating and cooling
•
one t o three samples
MEL-TEMP is an integrated capillary melting point apparatus whose heater is controlled by a variable transformer. Excellent viewing is provided by a built in light and i\ 6-power lens. The attrac tive gray hammertone base occupies Includes vial m.p. capillaries and O^OCTC thermometer. Cambridge
SPECIAL THERMOMETER L00-500°C in 1 C°, fits MEL-TEMP, borositicate glass. Helium filled, 76 mm imm. $7-50 each Pafd m U SA and Canada
Write for Bulletin 60
LABORATORY P.O.
BRONWILL MAG-JET...
•
f.o.b.
DEVICES
B O X 6 8 , CAMBRIDGE
3 9 ,
SCIENTIFIC
OF W I L L
S C Ι Ε Ν Τ I F I C, I N C .
2047 N . G o o d m a n S t . , R o c h e s t e r 1 , N . Y .
Sprague-Dawley, albino BERKELEY PACIFIC LABORATORIES 1101 F i f t h S t r e e t · B e r k e l e y 10, Calif. T e l e p h o n e 527-1101
MOUNTING BRACKET for secure mounting o n standard s t a n d s , r a c k s ( u p to 0 . 5 4 " d i a . r o d s ) FAST · FLEXIBLE · SECURE REMOVES TABLE CLUTTER Clamp secured t o base of powerstat with two screws. Groove in clamp fits over rod a n d is held rigidly by tightening t w o wing screws as shown. N o need t o dismantle rod set-up. A l u m i n u m alloy, rust a n d corrosion resistant Compact, C a n be left on powerstat for table use. $4.35 each · 12 for $46.95 F.O.B. Lancaster. Pa., No COS. Satisfaction guaranteed. Free Catalog.
Penn-Chem
Corporation
BOX 58, LANCASTER, PA.
MASS.
Fully Automatic DTA APPARATUS
Sales—Serviee^Repair Send for our descriptive
e
-200°Cto+2200 C Electronic Recording
literature
VALENTINE INSTRUMENT COMPANY 2 1 8 4 - B Primrose A v e . , V i s t e , California Tel: A r e a C o d e 7 1 4 - 7 2 7 - 0 8 3 9
Interchangeable Measuring Systems •L^^H
For p a r t i c u l a r s o r d e m o n s t r a t i o n , w r i t e t o :
WILLIAM J. HACKER & CO., INC. Box 646, W. Caldwell, N.J., CA 6-8450 (Code 201)
SOVIET LABORATORY T E C H N I Q U E S REVEALED
i n the English translation of the noted Soviet monthly I N D U S T R I A L LABORATORY. Scope: Methods of chemical a n d spectral analysis, physical methods of investigation and mechanical methods of testing. SEND FOR FREE BOOKLET INSTRUMENT SOCIETY OF AMERICA 5 3 0 W m . Penn PI · Pittsburgh, P a . 1 5 2 1 9 JOHN ZACK, Ph.D. ·
Your Professional Card can carry Your message to the readers of the leading workmagazine for instrumentation, control, and analysis. Rates on Request. ANALYTICAL CHEMISTRY Advertising O f f i c e : 4 3 0 Park A v e n u e
N e w Y o r k 2 2 , Ν . Ύ.
D. JAMES LOWELL, Ph.D.
REFERRED
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