Rudolph Dührkoop, Patriotic Society: Board of Directors Dr. Ed. Hallier, B. Hennicke, Physicist Dr. G. Herman Sieveking from the portfolio Hamburgische Männer und Frauen am Anfang des XX. Jahrhunderts, Staatliche Landesbildstelle Hamburg, Collection on the History of Photography, paper, heliogravure, image size: height: cm; width: cm, inscribed: recto below the image: Names of the sitters in black ink, inscribed: recto: engraved on printing plate, below the picture: photograph and photogravure R. Dührkoop, Hamburg, top left above picture 127; top right in the corner noted in lead

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Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

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