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Joachimsthaler ("thaler" = dollar). Ernst Ruska's Ü bermikroskop in 35 German Institutes by 1945; used to identify asbestos fibers in lungs.
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Ernst Ruska's Übermikroskop in 35 German Institutes by 1945; used to identify asbestos fibers in lungs. Figure 4.2: The Siemens company's electron microscope (with a magnifying power of 4,000 to 40,000, used to identify asbestos particles in lung tumors. Source: Reiter and Breger, Deutsches Gold, p. 476.