Models: Pfalz-Otto biplane, by B. Büchner in South West Africa. Ajouter au presse-papier 233-1:006686 Pièce Fait partie de Speyer City Archive (Archivtektonik) In: Speyer City Archive (Archivtektonik) >> VI. collections >> 233 Graphics and views (inventory) >> 233-1 Photo collection (inventory)