Name one company that offers this many planchet counting systems.

Model 4328 (Elapsed Time Print-out)

Model 4334 (Time and Count Print-out)

Model 4340 (Elapsed Time Print-out)

Model 4330 (Time and Count Print-out)

Model 4336 (Dual-Channel with Time, Count, CPM, and Scaler Ratio Print-out)

Π Model 4342 (Time and Count Print-out)

Model 4332 (Elapsed Time Print-out)

Model 4338 (Time and Count Print-out)

Model 4344 (Elapsed Time Print-out)

Name two. Only Nuclear-Chicago gives you a total of

nine different automatic planchet counting sys­tems to choose from. There are systems for normal counting (Models 4328 and 4330) or low-background counting (Models 4332, 4334, and 4336) of 2-inch-diameter planchets. And there are systems for 1*4-inch diameter plan­chets for normal counting (Models 4338 and 4340) or low-background counting (Models 4342 and 4344).

That's nine unique combinations of planchet size, background shielding, sample capacity, and data readout. One of these systems is sure to match your application—exactly. And each system uses an efficient gas-flow detector that's uniformly sensitive up to the edge of the win­dow. Plus a heavy-duty, solid-state-logic sample

changer that has extra capacity when add-on sample magazine extensions are used.

Besides this complete array of planchet counting systems, we can also supply a full range of accessories—such as sample pans and carriers, detector windows, and counting gas.

To get detailed information on these systems and accessories, consult your Nuclear-Chicago sales engineer or write to us.

NUCLEAR-CHICAGO CORPORATION

351 East Howard Avenue, Des Plaines, Illinois 60018, U.S.A. / Donker Curtiusstraat 7, Amsterdam W, The Netherlands.

Circle No. 51 on Readers' Service Carl

VOL. 38, NO. 9, AUGUST 1966 5 1 A