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V O L U M E 2 1 , N O . 12, D E C E M B E R 1 9 4 9 29 A
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TAYLOR COMPARATOR SO EASY . . . simph |>ia<;t; tin-reagent treated sample in the center tube in the base with untreated samples in the flanking tubes- Just move the color standards slide across until the colors match and . . .
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SO CON V EM EXT AM) ACCURATE- . Taylor Color Standards necessary for an> of comparison arc sealed in a single, molded plastic slide. Thus difficult} and danger of handling delicate single standards is eliminated. Slide and base are easily carried in one hand for on-the-spot determinations which
usually require less than two minutes to complete, \ccuraey is assured since all Tavlor Liquid Color Standards carry an unlimited guarantee against fading.
G E T T H I S F R E E B O O K Contains 96 pages of authoritative information for 34 basic industries. Discusses Taylor methods and equipment. Write for your copy--see your dealer Tor equipment.
Low-Cost Immersion Heaters Automatic...Safe...Ready to Use A handy, portable heating
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device built of acid resistant stainless steel. Safety cutout prevents element from over-healing or burning out when out of solution.
E C O N O M I C A L . . . A l l units operate on 110 v. A C 1000 watts. 9.5 amps. Immersion type thermostat integrated in unit guarantees positive temperature control to within plus or minus 1 °F.
Immersion heater installed in tank. Can be used as portable stirrer or attached to side of receptacle, as illustrated, by means of convenient clip. This attachment is an integral part of unit.
Cat. No. X-9S0 X-921 X-922 X-923 X-924 X-925
PRICES Heating Element
5" 8"
10" 15" 20" 48"
Specify 115 y. or 230 ». — AC only
Price 110.95
16.50 17.50 18.95 21.95 32.95
Klett.... Photometers
KUtt-£iMfUH&lAOH.
PUoioelecitic QlcM. Cell
Golotimete*
No. 900-3
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Ko. 2070
Designed for the rapid and accurate d e t e r m i n a t i o n of th iamin, riboflavin, and other substances which fluoresce in solut ion. The sensitivity and stability are such that it has been found particularly useful in determining very smal l amounts of these substances.
J L KLETT SCIENTIFIC PRODUCTS
ELECTROPHORESIS APPARATUS · BIO-COLORIMETERS GLASS ABSORPTION CELLS · COLORIMETER NEPHELOM-ETERS · GLASS STANDARDS · KLETT REAGENTS
Klett Manufacturing Co. 179 E A S T 8 7 T H S T R E E T , N E W Y O R K , Ν . Υ,
W.A. TAYLOR
GENERAL LABORATORY SUPPLY COMPANY 32Q " M A R K E T S T R E E T I > A " l F R S O N S, N E W J l i R S t i V
<^4-ypata(ti,\ and (^•ItenacalA ret — *ηΛηΑΪτι/ and Guetta
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AND CO.
7302 YORK RD. · BALTIMORE-4, MD.