* Askari soldiers at an observation station* Our colonies. Series VI.3. A military signal and observation station in the open field. German East Africa. Ajouter au presse-papier F 66/69 Dossier 1906 Fait partie de German Historical Museum Foundation Propaganda postcard; Postcard * Publisher: New Photographic Society* Photographer: Otto Haeckel (1872) In: German Historical Museum Foundation Neue Photographische Gesellschaft