SCIENCE-ADVERTISEMENTS

- ~KAHLBAUM--REAGENT CHEMICALS

Largest stock of organic and inorganicchemicals for research work inAmerica.

The first U. S. A. edition of theKahibaum catalog, contalnlng over8000 standard Kahlbaum products, hasjust been issued, and is ready for dis-tribution. Please write for copy toyour dealer or direct to us.

Sole American distributors

AMERICAN KREUGER & TOLLCORPORATION

SCIENTIFIC SUPPLY DIVISION

1 14-1 1 R Lihertv Street New York. N. Y.A A A AL A6& " A % D.# _A 6Aa% a'me

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