Titlebook: Historische Gemälde für gebildete Leser und Freunde der Geschichte; Erster Band J. H. L. Fischer Book 1851 Springer-Verlag Berlin Heidelber

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J. H. L. Fischerhe routine analysis of data took with pencil, paper, and logarithmic tables. Thus when Wilhelm Olbers discovered the minor planet Vesta in 1807 and gathered the necessary observations, his friend Gauss needed almost 10 hours to hand­ calculate its orbit. That achievement astonished many less gifted

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J. H. L. Fischer as soon as he starts to explore the laws of physics, he can easily move around masses at the scale of grams, objects on the scale of meters and perform experiments on the scale of seconds. On these scales, the experimentator has full control on the setup of an experiment and direct access to all de

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J. H. L. Fischere .assembled by the Russian chemist Dimitri Mendeleyevin 1869, which grouped elements according to their chemical properties, their ., as derived from the compounds they were able to form, at the same time sorting the elements by atomic weight. The genius of Mendeleyev lay in his confidence in these

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