Abstract
An exptl. universal electron microscope of high magnification is described which deviates in many ways from the known types. The instrument, intended as a self-contained desk model, employs 4 permanently aligned magnetic lenses and optical magnification. A new type of specimen stage, permitting a quick exchange of specimen, wide-angle stereoscopic observations and direct calibration of specimen position and an improved electron gun are used. The camera head is exchangeable. The instrument can be quickly adapted for electron diffraction observations. Possibilities of further development are discussed.

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