Gun of the protection force in fire position at the railway line Windhoek - Keetmanshoop / Photographer: Scherl

Posten with homemade gun in D e u t s c h - O s t a f r i k a during the First World War / Photographer: Scherl

A gun from the cruiser 'Königsberg' in position at the mouth of the Rufidji in German East Africa in the First World War / Photographer: Scherl

10,5 cm gun of the cruiser 'Königberg' mounted on a mobile carriage. / Photographer: Scherl