GENERAL ELECTRIC X-RAY CORPORATION

of diffracted intensities, (2) the direct measurement of fluorescent x-ray spectra, (3) all film technics. All XRD cameras and many others fit the sta...
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8A

ANALYTICAL

CHEMISTRY

XRD-3B—the basic unit XRD-3F— for film technics XRD-3S—the x-ray XRD-3D—for direct

spectrometer measurement

Analyze directly ^ with the XRD-3! Go b e y o n d t h e m i c r o s c o p e . D i g d o w n into the f u n d a m e n t a l s t r u c t u r e of m a t t e r . F i n d the a t o m i c p o s i t i o n s , ionic g r o u p ings a n d c r y s t a l l o g r a p h i c systems of s u b s t a n c e s . And do it e c o n o m i c a l l y — with the X R D - 3 . W h e t h e r you a r e w o r k i n g with m e t a l s or m e t a l a l l o y s . . . ores, c l a y s a n d o t h e r m i n e r a l s t r u c t u r e s . . . p a i n t s a n d p i g m e n t s . . . c e r a m i c s a n d glass . . . c e m e n t a n d plaster . . . textiles a n d fibers . . . or r u b b e r a n d allied p r o d u c t s . . . you'll get m o r e i n f o r m a t i o n — faster — with t h e X R D - 3 . H e r e ' s why ! lTou are sure. You get G-E accuracy in the XRD-3. Latched ma and high-voltage positions reproduce settings accurately for long series of experiments. Exposure timer is correct to within 60 seconds in a twenty-hour range. X-ray intensity is constant; plus or

minus xh per cent. Resolution of diffraction data is optimum— for powder data, 0.02 degree maximum. lTou o r e completely equipped. There are available for use with the basic XRD-3 components which make possible (1) the direct measurement of diffracted intensities, (2) the direct measurement of fluorescent x-ray spectra, (3) all film technics. All XRD cameras and many others fit the standard diffraction instrument support. The clear flat top around and under the tube makes the adaption of other cameras simple. Kou o r e seated. You work at a desk-type console. All meters and controls are within easy reach. You read spectrogoniometer angles from stationary indicators without your leaving your chair. Controls, transformer and water cooler are within the console. FREE—The story of the most modern of diffraction devices—the XRD-3. Write General Electric X-Ray Corporation, Dept. E-6, 1855 W. McGeoch Ave., Milwaukee 14, Wise.

GENERAL X-RAY

ELECTRIC

CORPORATION

General Electric X-Ray Corporation manufactures and distributes x-ray apparatus for industrial, denial and medical vse; electromedi