The previous page is sending you to https://digital.deutsches-museum.de/projekte/gruendungssammlung/detail/1947/?count=1&hits=21&objectWorkTypes_facets=Fernrohr&q=C.-A.-Steinheil&start=0&query=%7B%27simple%27%3A+u%27C.-A.-Steinheil%27%7D.

 If you do not want to visit that page, you can return to the previous page.