VOLUME
2 5 , NO.
10, O C T O B E R
37 A
1953
Eberbach
"UNIVERSAL'' STIRRER O p e r a t e s in m a n y positions mounting
clamp;
offers
because o f
maximum
double
torque
at
swivel various
speeds through t w o output shafts. This variable speed stirrer with two output shafts offers speed and torque combinations capable of handling a wide range of labora tory jobs. Stirring motor mounts on rheostat housing by double swivel clamp. This housing serves as a clamp and fits the spe cially designed heavy support. Universal 1/50 H. P. stirring motor has two output shafts (one through a gear reduction) developing up to 5 0 0 0 and 2 0 8 r.p.m. with full load. Chuck holds a 1 / 4 " stirring r o d . The special support has a 3 / 4 " diameter 3 0 " long nickel-plated steel rod. Containers up to 1 2 " diameter can be placed close to the support rod between the front legs. Cat.
No.
77-838
Eberbach
"Universal"
Stirrer shown a b o v e complete with special support, 2 step pulley, chuck, 1 2 " stainless
Eberbach
steel p r o p e l l e r , f o r 115 volt A C o r DC sells
CORPORATION
ΑΠΠ AltBOft'lMCH.
for
$80.00.
U f A t U t t » ia«j
A new Heart for your Laboratory . . . the STANDARD DYNA-PUMP INCREASE THE FLEXIBILITY AND USEFULNESS OF YOUR PRESENT LABORATORY EQUIPMENT THROUGH THE INSTALLATION OF THE VERSATILE, DEPENDABLE STANDARD DYNA-PUMP. • • • •
PUMPS PUMPS PUMPS PUMPS
GASES AIR for GASES AIR for
for gas analyzers and gas defectors jet-type liquid filtering equipment for gas filters pneumatic equipment and mechanisms
D e s i g n e d to r e l i a b l y f u l f i l l t h e d i v e r s i f i e d requirements o f i n d u s t r i a l a n d m e d i c a l re search l a b o r a t o r i e s a n d t o serve as the o p e r a t i n g c o m p o n e n t f o r p n e u m a t i c devices a n d instruments, the S T A N D A R D D Y N A - P U M P features:
Non-Contaminating S m o o t h - F l o w i n g Pressure or Suction The h i g h speed ( 1 5 0 0 s t r o k e s / m i n u t e ) smooths o u t the p u l s a tions s o t h a t it is i d e a l For o p e r a t i n g f i l t e r i n g e q u i p m e n t or gas analyzers
Dependability M o t o r is d i r e c t l y connected to p u m p — n o belts t o slip. D i a p h r a g m is p o s i t i v e l y d r i v e n o n b o t h c o m p r e s s i o n a n d s u c t i o n — n o t d e pendent u p o n springs. Cannot be s t a l l e d . Pump housing and base are made of aluminum. Pump is completely enclosed The resilient mounted, brushless motor is connected directly to the pump. Pump measures 61Λ ins. Ions, 3 % ins. wide by 4V* ins. hish and weighs AVi pounds. The 1 /70 horsepower motor draws 48 watts and operates on 115 volts, 60 cycles, A . C.
Since i t is d i a p h r a g m a c t u a t e d , there is no l u b r i c a n t to c o n taminate the material.
Continuous D u t y
Design
Brushless m o t o r requires a f e w d r o p s o f o i l e v e r y 3 m o n t h s . No further m a i n t e n a n c e is necessary. Continuous running 24 hours per d a y . Field p r o v e n . CAPACITY—225 cubic int.—2 psi M A X I M U M PRESSURE—10 psi M A X I M U M SUCTION—12 ins. Ha
No. 84404 STANDARD DYNA-PUMP
Each $35.00
Visit our booth £731 at Commercial Museum & Convention Hall, Phila.,Pa. Nov. 30 to Dec. 5th
S T A N D A R D SCIENTIFIC SUPPLY CORP. 3 4 West 4 t h Street LABORATORY
·
New York 12, Ν. Υ.
APPARATUS — REAGENTS
AND
CHEMICALS
s