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Show - ?n dakT 7unn T' t ..jab m New Dlsouvery of Science. JJIVo professors of Jona University i-ttl Slodontorpf and R. Zslgmondy harp al.coYerod a now motliod of ml-croscoplc ml-croscoplc observation, whoroby ultra-rolcroscoplc ultra-rolcroscoplc particles aro not only mdo vlilblo, but can also be studied with a view of determining their size. A 'full description wns rocently published pub-lished oy the Invontors In the German yclentlnc Journal Annalen dor Physlk (volume 10, 1903). Tho method con-slsts con-slsts mainly In a powerful artificial Illumination 0 tho particles to bo ot-gerved. ot-gerved. Co"sulsr rport |