Tag: Collection Objects
Header Image: Planetarium guests attend a sky show with the Zeiss Mk II projector at the Adler c. 1955. Image Credit: The Adler Planetarium Archives When the Adler Planetarium opened in 1930 as America’s first planetarium, the centerpiece was a star projector made by the Carl Zeiss company of Germany, the Zeiss “Mark II”. This […]
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