Product Capsules able flash evaporator for aqueous solu tions, high boiling point solvents, strong acids, etc. Laboratory Glass & Instru ments Corp, 514 W. 147th St., Ν . Υ. 31, Ν . Υ. 77Α-2 Filaments. Bulletin available on high positive coefficient resistance filaments for repair, experiment and instruction with detectors for gas chromatography. Gow-Mac Instrument C o , 100 Kings R d , Madison, N. J. 74A-1 Fluorescence Measurement. Circle 78A for information on production x-ray "Quantometer" that offers ad vanced applications of x-ray fluores cence measurement. Provides directreading ratio recording and simulta neous analysis of up to 22 elements in 2 min. Applied Research Laboratories, Inc., Box 1710, Glendale 5, Calif. 78A Fluorimeters. Klett fluorimeters are designed for the rapid and accurate determination of thiamin, riboflavin, and other substances which fluoresce in solution. Klett Manufacturing C o , 179 E. S7th S t , Ν. Υ , Ν. Υ. 90Α-2 Fume Hoods. Circle 50A-1 for new catalog on "Steelab" fume hoods. Unit features baffle control, automatic elec tric sash control, and thin wall con struction. Laboratory Furniture C o , Inc., Old Country R d , Mineola, L. I , Ν Υ. 50Α-1 Funnels. Circle 62A for literature on separatory funnels with leak-proof ''Lab-Crest" stopcocks that require no lubrication. Fischer & Porter C o , 1628 County Line R d , Hatboro, Pa. 62A
Safe and Practical NALGENE
Bottle Carriers PREVENT
ACCIDENTS
This new bottle carrier was developed for one of the nation's largest industrial plants to overcome breakage problem-. that occur with canvas or leather carriers. Up to now carriers were required for safety measures only to contain broken bottles and their contents . . . but the new NALGENE carrier
actually prevents the breakage! Not a single bottle broken in over a year's use . . . heavy use . . . tested and proven at the plant* that made the specifications. Ask your dealer for catalog The NALGENE CARRIER is a thick-walled
theNALGEGO. Inc. ROCHESTER *name on request
WORLD'S
LARGEST
2, NEW YORK
Furnaces. Detailed information avail able on new furnace for general use in micro and semimicro combustions at temperatures up to 1150° C. Arthur H. Thomas C o , Vine St. at 3rd, Phila delphia 5, Pa. 70A Generators. Circle 77A-1 for infor mation on new low cost neutron gen erator. Output up to 1010 neutron/sec continuous. Remote operation. Mo(Continued on page 96 A)
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$15.00 each, less quantity discounts
PRODUCER OF POLYETHYLENE
LABORATORY
WARE!
For further information, circle number 95-1 on Readers' Service Card, page 89 A
Lab-Accepted S t a n d a r d of Q u a l i t y TEMCOType 1 5 0 0 . . .
Funnels. Circle 69A for catalog con taining more than 270 different types and sizes of funnels made of Pyrex brand glass No. 7740. Reinforced fun nels provide resistance to acids, alkalies, and washing solutions. Corning Glass Works, Corning, Ν. Υ. 69Α Furnaces. Bulletin provides complete details on "Multiple Unit" air-draw furnace with temperatures to 1250° F. Chamber size: 7" wide X 12" long X 7" high. Hevi Duty Electric C o , Mil waukee 1, Wise. 59A
con
tainer for 1-gallon bottles. H has a heavy wire handle sealed in plastisol and secured to in tegrally molded-on ears. A snap cover holds bottles firmly in place.
α compact, convenient furnace for general lab work and process control. Chamber size: 4 " χ 3%" χ 4 ' / 2 " or 9". Welded steel construction, embedded element plates.
completely variable temperature control . . . lets you select and hold any temperature from 3 5 0 ° F . to 1900°F. regardless of fluctuations in line voltage. Just another feature of this high-quality TEMCO Furnace designed for continuous use at temperatures up to 1650°F. and intermittent periods up to 1900°F. Attractive heat-resistant mottled gray enamel finish. Operates on Π 5 or 2 3 0 V a-c. Price complete: $ 1 4 5 . 0 0 and $ 1 5 5 . 0 0 . Write today for free literature and name of nearest dealer.
TEMCO THERMO 478
Huff
PYROMETERS TEMPERATURE CONTROLLERS ELECTRIC FURNACES H O T PLATES FLASK HEATERS M A G N E T I C STIRRING H O T PLATES
ELECTRIC
Street, Dubuque,
MANUFACTURING CO.
Iowa
For further information, circle number 95-2 on Readers' Service Card, page 89 A VOL. 3 1 , N O . 1 , JANUARY
1959
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95 A