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

IMPROVED MODEL, VARIABLE SPEED

S H A K I N G A P P A R A T U S

WITH INTERCHANGEABLE

CARRIERS FOR

VARIOUS PURPOSES

8918-B. tipeur 8917-A.

SHAKING APPARATUS, Reciprocating Type, Improved Model, Variable Speed. A rugged, quiet shaker for general purpose use, consisting of carrier of corrosion-resistant metal and power unit.

Power unit is furnished with 1/6 h.p. direct current motor, dry disc rectifier to convert a.c. to d .c , and a rheostat with knob and dial on the front of the housing for varying the speed between 70 and 300 oscillations per minute with load, with horizontal stroke of \lA inches. Overall dimensions of power unit, 163^ inches long χ 15 inches wide χ %% inches high. Power consumption 200 watts.

Carrier consists of an anodized aluminum box, 18 inches long χ 12 inches wide χ 3 % inches deep, with rubber covered floor and slotted sides and ends to take adjustable, rubber-covered bars lengthwise and crosswise for holding various types of load in position. The utility of this carrier is greatly increased by posts which are attached to the corners of the tray. The posts are fitted with Y2 inch rods, 18 inches long, with threaded ends, on which a variety of clamps, glassware, etc., can be mounted for shaking.

8917-A. Shaking Apparatus, Variable Speed, General Purpose, as above described, consisting of 8922-B Power Unit, 8920-C aluminum Box-Type Carrier, two Clamping Bars with washers and wing nuts for attachment to sides, and two Corner Posts with eight screws for attachment. Complete with on-off switch, connecting cord and plug; for use on 115 volts, a.c 193.00

8917-D. Ditto, but without Clamping Bars or Corner Posts 172.00 8918-B. Shaking Apparatus, Variable Speed, (Flask Shaker), consisting of 8922-B Power Unit and 8920-D Flask Carrier

for fifteen Erlenmeyer flasks, 200 or 250 ml capacity. For 115 volts, a.c 20S.00 8918-F. Ditto, but with 8920-E Flask Carrier for twelve Erlenmeyer flasks, 500 ml capacity. For 115 volts, a.c 205.00 8920-C. Carrier, General Purpose, Box-Type, as supplied with 8917-A Shaker. For interchangeable use on 8922-B Power Unit 22.00 8920-D. Carrier, Flask, 15-place, for fifteen 200 or 250 ml Erlenmeyer flasks. For interchangeable use on 8922-B Power Unit SS.00 8920-E. Ditto, 12-place, for twelve 500 ml Erlenmeyer flasks SS.00 8922-B. Power Unit, Variable Speed, only, as supplied with 8917-A, 8918-B and 8918-F S'.iakera. For use on 115 volts, a.e 150.00

More detailed information sent upon request.

ARTHUR H. THOMAS COMPANY RETAIL—WHOLESALE—EXPORT

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

Cable Address "Balance ," Philadelphia