Kästner, G. and Messerschmidt, U.
JEOL News, Electron Optics Instrumentation 34, (No. 1), pp 24-28 (1999) A JEOL 1000 kV High-Voltage Electron Microscope has been running since 1971 when it was installed in Halle (Saale), Germany, with 280 thousand micrographs being exposed up to now.
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