NEW PRODUCTS
THERMOLYNE
LABORATORY PRESS
®
0ΉΕΑΤ Π LIGHT G MOTION
Laboratory Apparatus for:
Y o u m i g h t choose F u r n a c e T y p e 1300
for PORTABILITY .
.
.
o u t of its m a n y f e a t u r e s :
FAST HEAT — f o r schools, shops or t o 1 6 5 0 ° F ( 8 9 9 ° C ) j n 4 0 minutes. PORTABLE — w e i g h s i n t o o r d i n a r y outlets.
only
16 lbs;
plugs
STEPLESS CONTROL — to 1900°F ( 1 0 3 8 ° C ) . Temperature conveniently a n d accurately held. ELEMENTS EMBEDDED — in exclusive re fractory plates a v o i d sag and d a m a g e . W e l d e d steel case w i t h thick insulation is s t r o n g , long-lasting. Controls kept cool for l o n g life. Counterbalanced door f o r m s w o r k loading shelf. CHAMBER 4 " w x 3 3 4 " h x 4 y 2 " d
Price
Type
but
AW
1400, Same as above χ
4%"
NEW!
χ
40-Page c o m p l e t e l i n e catalog o f heat/light/ m o t i o n items: furnaces, controllers, hot plates, m a g n e t i c s t i r r e r s , StirPlates, constant t e m p , apparatus, Dn-Baths, c u l t u r e i n c u b a t o r s , PBI Apparatus, lab lights, meters.
2555 KERPER BLVD. DUBUQUE, IOWA 52003 U.S.A. Contact D e p t . 4 7 8 D for name o f nearest d e a l e r Circle No. 91 on Readers' Service Card
•
ANALYTICAL CHEMISTRY
!;•... solves.;the KBr
of
pressing forming
Pellets
I ;Many:insoluble materials, mixed with1 |Potassium. Bromide, can be formed:· ! in a die Under pressure into pellets" |; or wafers for quantitative and quail·· fvtative analysis./ The CLP supplies the pressure ,j;to 40,000 lbs:, if needed.
up:
!'j
f This specific use is only one of the f; ways this Versatile laboratory assistî'îàht meets the challenge of research; p n d : development. lj[:5eiiïte: of the many uses are: : | | i ^ Dehydrating • ; I^RrêssfWgflut various oils, stéarines |W,: : à#viàM ; ; ; r:.::;.: f|i^: prs|Sii^ filiering ef thick fluids I^.Cottfl^iïfn^tfists : :. ll^ris^Mijd'iMefiiiinatiOiis /
$98.50
THERMOLYNE CORPORATION
A
The VCD-1 circular dichroism at tachment and the VFD-1 flow dichroism attachment are for use with the com pany's QV-50 photoelectric spectropho tometer. In each, the Rochon type polarizing prism made of cultured quartz is used and the optical path is designed to be evacuated. The range of measurement is 190 to 1200 my*. Shimadzu Scisakusho Ltd., 2, KandaAlitoshirocho, Chiyoda-ku, Tokyo, Ja pan. 427
chamber
6"
Standard For Research
\ problem
$80.00
Write now for F R E E copy of Catalog 65
146
Atomic absorption spectrophotometer is suitable for research or routine ap plication. More than 40 hollow cathode lamps are available, each prefocused and fitted in plug-in holders. The instrument features a Littrow prism monochromator with large aper ture, a.c. lamp source modulation, and laminar-flow burner heads. The Model SP-90 can be extended to a complete automated analysis system, with a turret for three preheated and interchangeable lamp sources, an au tomatic sample changer which holds 32 samples, and a potentiometric recorder for continuous, expanded records. Unicam Instruments Ltd., York St., Cambridge, England. 426 Dichroism Attachments
labs
2ΜΠ3
| É^ Émbossiiiî àirti fercingι \-:^'ύ I ji>- PressÏBJgrtibtbèrHpers frein ; eryitatji: * | : * * Exacting Vaccinés and Viruses ;:v: Model 5756A from the new Series 5750 research gas chromatographs contains three detection systems, dual flame, thermal conductivity, and elec tron capture, and is capable of simul taneous operation. Recorder is the Model 7128A dual pen instrument. The Series 5750 offers a full array of options and accessories. F & M Sci entific, Route 41 and Starr Rd., Avondale, Pa. 19311. 428
f the Sta Ward 11 24DB) CARVER UStfftÉl lÉOfty PSËSS ÉiaB$letB «Μι Gange $34isQi s ^illustrated} •; iliû ton MidetsiWsu available —; àdditiMaK liStandard Aiiçéssttries for other; spitlïlitf gjt^;î^lf(^(^h,iii ! '.;\: : .-' :! ;;^;?}Â.['Mi i;|énd;:i$|'ïay|f;;jbitfiietîn;..:- '/
FRED S. CARVER INC. HYDRAULIC 54
RIVER
ROAD.
EQUIPMENT SUMMIT,
N.
Circle No. 132 on Readers' Service Card
J.