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1.25 meter reflector telescope at Observatory Berlin-Babelsberg

1.25 meter reflector telescope at Observatory Berlin-Babelsberg

Refractor telescope in German Museum, Munich

800 mm Coelostate of the Tower Telescope at the Astrophysical Observatory, Potsdam

1 meter Reflector telescope of the Observatory Merate

1 meter Reflector telescope of the Observatory Merate

650 mm refractor telescope of the Observatory Belgrade

600 mm Newton and Cassegrain Reflector telescope at Observatory Stara Dala

135 mm Zenith telescope from Astronomical Observatory Odessa

650 mm photographic refractor telescope at Observatory Tokyo

650 mm photographic refractor telescope at Observatory Tokyo

Application of Max Adler, Trustees of the Adler Planetarium Trust, and the South Park Commissioners to exemption from import duty for the Zeiss projector

Cover letter for invoice for a Zeiss projector lamp

Customs Duty form

Letter from K.A. Bauer, Carl Zeiss, Inc. to Dr. F. Wagner Schlesinger, Director of the Adler Planetarium