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

A.H.T. CO. SPECIFICATION

SPRING-GRIP CLAMPS DESIGNED ESPECIALLY FOR USE IN MICROCHEMISTRY

Fig. 1. Showing the nine sizes of clamp jaws which are available with each of the three lengths of shank shown in Fig. 3.

Fig. 2. Showing three lengths of Holders available for use with Clamps shown in Fig. 1 and Fig. 3.

Fig. 3. Showing Clamp size 6 with the three lengths of shank available for each of the nine sizes of Clamp jaws shown in Fig. 1.

Fig. 4. Showing Clamp with medium length plain shank attached to medium length holder,

Fig. 5. Showing Clamp with threaded shank in holder with tapped socket; available in nine sizes as shown in Fig. 1.

Fig. 6. Showing Holder with hole for insertion of plain shank Clamps at right angle.

Fig. 8. Showing Slotted Bar with adjustable holder for attaching Bar at different positions either horizontally or at any angle of inclination within an arc of 110°

Fig. 9. Showing Clamp with threaded shank and wing nut and lock nut; for attachment to Slotted Bars.

Fig. 10. Showing lock nut and set-screw for attaching plain shank Clamps to Slotted Bars.

Fig. 11. Showing micro size Clamp mounted in wooden handle ; for handling micro vessels such as centrifuge tubes, etc.

Fig. 12. Showing Hooks with at­tached holder, for suspending micro absorption tubes, etc. Available with one, two, four or six hooks.

Copy of new Supplement 112, "Spring-Grip Clamps", describing in detail above Clamps and accessory equipment, including Micro Burners, Supports with Coors porcelain bases, Rings,Water Baths, etc., sent upon request.

ARTHUR H. THOMAS COMPANY RETAIL — WHOLESALE — EXPORT

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

Cable Address "Balance" Philadelphia

Fig. 7. Showing Slotted Bar with holder. Available in three lengths or

bar, i.e., 6, 12 and 24-inches long. Bars take eitherplain shank Clamps shown in Fig. 1 or threaded shank Clamps shown in Fig. 9.