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TpTïTiTTTÏTTT PYREX COORS PYREX KIMAX COORS BARNSTEAD KIMAX BARNSTEAD
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BECKMAN BECKMAN COLEMAN H INT. COLEMAN EQ. CO. Η INT.LECO EQ. CO. • LECO •
Β g L OPTICAL AINSWORTH OPTICAL^ H BECKER AINSWORTH ^Ê AMER. Β S L OPTICAL ZEISS OPTICAL · LEITZ • • SARTORIUS BECKER ,^^Λ AMER. BUEHLER SARTORIUS OHAUS ' ^ ^ H ZEISS · LEITZ H OHAUS ^ A BUEHLER H
Ε 8 D WHATMAN E I D FILTER PAPER WHATMAN S 8PAPER S FILTER SSS
PRECISION SC. CO. MC 8 Β Ι LAB. FURN. CO. ^ B J. T. MCBAKER SΒ V f l PRECISION SC. CO. LABLINE ^ BMALLINCKRODT J. T. BAKER • • LAB. FURN. CO. BLUE M H M A L LGLASS-COL INCKROOT • • LABLINE • GLASS-COL • _ • BLUE M
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Cleveland
Cincinnati
Detroit
Los Angeles
Houston
Philadelphia
Oakland
W e invite y o u r c o n s i d e r a t i o n of t h e f o l l o w i n g i t e m s : FREAS BOD CABINET THERM-O-PLATES
The N E W Freas M o d e l 8 0 5 l o w t e m p e r a t u r e incubator a n d B O D cabinet offers a 1 2 % increase in w o r k i n g space a n d has a n e w a d j u s t a b l e shelf a r r a n g e m e n t . Has sensitive hydraulic thermostat.
Here is a b r a n d n e w series o f hot plates. 4 types: s t a n d a r d hot plates as well as shaking, m a g netic stirring a n d explosion p r o o f models. 11 sizes: l a r g e or small, square o r rectangular. The small est size only is here pictured a n d briefly described.
H-32030 Incubator a n d B O D Cabinet, Freas M o d e l 8 0 5 . This is one o f the finest commercial r e f r i g e r a t o r s modified f o r l a b o r a t o r y needs. C a p a c i t y : 11 cu. f t . Range: 5 t o 5 0 ° C . Has fully a d justable shelves—will hold 1 8 7 s t a n d a r d 3 0 0 ml BOD bottles, o r 9 5 o f t h e 5 0 0 ml. W i t h e x t e r n a l controls. For 115 volts A.C.
H - 2 8 7 4 0 Hot Plate, Model TP-1. Top plate: 5" χ 5" cast aluminum. Stepless heat control: T50 to 7 0 0 ° F . Attractive enamelled steel case. For 115 volts A.C.
Each
Each . . . . $495.00
$25.00
LECO HYDROGEN ANALYZER
TORSION 2 - D I A L BALANCES
The Leco H y d r o g e n A n a l y z e r — f o r metallic samples — em ploys the new "hot e x t r a c t i o n " method. Analysis time: 3 t o 10 min. Analysis temp.: 1200°C (as specified b y ASTM Comm. E-3. Sensitivity: 0.1 p p m .
You c a n s p e e d up your weighings a n d eliminate using small, loose weights with the N E W 2 - d i a l Tor sion balances. These n e w Torsions e m p l o y a weightl o a d i n g d i a l a n d a fineweighing d i a l ; both can b e used without arresting t h e balance.
H - 1 5 6 8 2 Leco H y d r o g e n A n a l y z e r . Consists o f (1) h y d r o g e n determinator proper with accessories, ( 2 ) a n induction furnace, a n d ( 3 ) v a r i a b l e tem perature control transformer. Requires, but does not include, s t a n d a r d v a c u u m p u m p . For 115 volts A.C.
H - 2 6 8 0 M o d e l D W L - 2 . C a p a c i t y : 120 grams. W e i g h t l o a d i n g d i a l : 9 gm χ 1 g m . Fine weighing d i a l : 1 g m χ .01 g m . Accuracy: 5 m g . Each
$200.00
Each
$3,200.00
(Similar models a r e also a v a i l a b l e in 2 0 0 a n d 5 0 0 g r a m capacity.)
W e will gladly information
furnish
or, these
detailed items.
HARSHAW SCIENTIFIC Division
SALES BRANCHES AND WAREHOUSES CLEVELAND 6, OHIO CINCINNATI 13, OHIO 1945 Eail 97Ih Street 6265 Wiehe Road
SUPPLYING DETROIT 28, MICH. 9240 Hubbell Ave.
o f The Harshaw
THE NATION'S
Chemical Co. · Cleveland
LABORATORIES
HOUSTON 11, TEXAS 6622 Supply Row
6, Ohio
FROM COAST TO COAST
LOS ANGELES 22, CAL. 3237 So. Garfield Ave.
OAKLAND I , CAl. 5321 East 8th Street
SALES OFFICES · Baton Rouge 6, La. · Buffalo 2, Ν. Υ. · Hastings-On-Hudson 6, Ν. Υ. · Pittsburgh 22, Pa, Circle No. 41 on Readers' Service Card
22 A
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ANALYTICAL CHEMISTRY
PHILADELPHIA 48, PA. Jackson & Swanson Sts.
