18 A A N A L Y T I C A L C H E M I S T R Y

1950 EDITION

A.H.T. CO. CATALOGUE

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SPECIAL FEATURES

Most comprehensive assortment of Micro-chemical Apparatus heretofore offered.

Large assortments of Pyrex, Coors, Kimble and other trade marked lines.

Code word for every item, for economical ordering by teletype, telegraph or cable.

Net and shipping weights for convenience in estimating shipping charges.

Rates and other information regarding Air Service.

Facsimile of catalogue, size 8VJ χ 10% χ 2Vi inches.

The 1472-page edition of our general catalogue LABORATORY APPARATUS A N D REAGENTS, published in 1950, illustrates and describes over 15,000 Apparatus items, together with 6,000 Reagent items, all selected primarily for use in laboratories of Chemistry and Biology and, under normal condi­tions, carried in stock for immediate shipment. The many new items include a comprehensive assort­ment for use in Microchemistry.

In addition to a code word adjacent to each item—for economical ordering by teletype, telegraph or cable—the new edition includes net and shipping weights for convenience in estimating shipping charges, with particular reference to air service.

When requesting copies of this catalogue, scientists will greatly oblige us by a full s tatement as to their professional connection with organized laboratory work, and purchasing officers by information as to final disposition of the catalogue, i.e. in the purchasing office or in the laboratory.

We welcome suggestions from those in authority as to the number of catalogues required for convenient use in any laboratory, department, institution or establishment. Such cooperation aids us in making adequate distribution without unnecessary duplica­tion.

ARTHUR H. THOMAS COMPANY RETAIL—WHOLESALE— EXPORT

LABORATORY APPARATUS AND REAGENTS WEST WASHINGTON SQUARE, PHILADELPHIA 5, PA., U.S.A.

Cable Address "Balance ," Philadelphia