Together with the Landessternwarte Heidelberg-Königstuhl, AIRUB developed the Bochum Echelle Spectrograph for the Optical (BESO) for the HPT.
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Between 1889 and 1899 she donated funds to the Harvard College Observatory (U.S.A.), Yerkes Observatory (U.S.A.) and Landessternwarte Heidelberg-Königstuhl (Germany), run by Max Wolf at the time, to buy new telescopes at each of those institutes.