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Tetens, Otto
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Letter from Paul Harzer to Otto Tetens

In: Harzer Estate (Title) >> Fascism. 7 Astronomical works (title) >> Fascism. 7.74 Optical work (title) >> Fascism. 7.74.F Calculation of the deflection of light rays in the Earth's atmosphere on a purely metrological-physical basis (title) >> Fascism. 7.74.F.1 Preparatory work (title)