GENERAL ELECTRIC

Electric XRD-3. They are: (1) New Proportional. Counter. Amplifier that converts present G-E. Geiger tubeto proportional counter opera- tion. Connecti...
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Proportional counter brings

greater efficiency, speed, economy to x-ray diffraction

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The improved efficiency of the new G-E krypton-filled proportional counter tube and amplifier is quickly apparent, even when recorded on semi-log paper.

Two new accessories extend accuracy of General Electric XRD-3 diffraction units

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ERE'S important news for present and prospective users of x-ray diffraction. This fast, accurate method for t h e non­ destructive analysis of a wide range of ma­ terials has been advanced in effectiveness by t w o n e w accessories for t h e General Electric X R D - 3 . They a r e : (1)

Available with a wide range of accessories, t h e General Electric XRD-3 is a highly versatile tool for x-ray diffraction.

N E W PROPORTIONAL

COUNTER

A M P L I F I E R that converts present G-E Geiger tube t o proportional counter opera­ tion. Connection to your present X R D - 3 is extremely simple. (2)

N E W KRYPTON-FILLED

PROPOR­

T I O N A L C O U N T E R T U B E has m u c h h i g h e r

absorption efficiency than t h e argon-filled tube. W h a t ' s more, it has n o noticeable thermal sensitivity. A n d tube failure d u e

to very high intensities a n d unnecessarily h i g h voltages is practically eliminated. Both accessories, acting together, per­ form linearly over five times t h e range of argon-filled multi-chamber Geiger tubes, and about 20 times t h e range of linearity of typical single-chamber G e i g e r t u b e s . T h e n e w counter assembly has less than one micro-second resolution time. T h e g r e a t r e d u c t i o n of error in t h e h i g h e r frequencies is t h e biggest, but only one, of t h e benefits of this n e w General Electric development. Y o u r G-E x-ray rep­ resentative will be glad to p o i n t out others. Call h i m today, or write X-Ray D e p a r t ­ ment, General Electric Company, Milwau­ kee 1, Wisconsin, for P u b . U U 8 4 .

"Progress Is Our Most Important Product

Enroll In the Foil G-E Diffraction School September 27 through October 1 , 1954.

GENERAL

ELECTRIC

Far further information, circle number 9 A on Readers' Service Card, page 37 A

VOLUME

2 6, N O . 8, A U G U S T 1 9 5 4

9A