We're so sure we have the world's best electron microprobe.. we're eager to prove it! Simply by analyzing any prepared sample you'd care to send us —then letting you be the judge. The reason for our confidence is twofold. 1 . The new CEC 27-101 Electron Microprobe is the finest model yet perfected by CAMECA of France, the pioneer and world's leading pro-
ducer of microprobes. (CEC is the exclusive distributor of CAMECA probes in the United States and Canada).
In addition, this is the only instrument of its type that is available with an electron microscope as an accessory attachment.
2 . The 27-101 is demonstrably superior in all important areas of microprobe analysis . . . it provides better line to background ratio, better resolution in imaging and greater electronic stability.
For that precise analysis or further information, write Consolidated Electrodynamics, Pasadena, Calif. 91109. A subsidiary of Bell & Howell. And ask for Bulletin Kit 348-X4. CEC/ANALYTICAL INSTRUMENTS
BELL & HOWELL Circle No. 23 on Readers' Service Card 18 A
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ANALYTICAL CHEMISTRY
