Interesting Collection of 123 Loose Original Gelatin Silver Photographs of French Congo, Showing a Mining Plant and Settlement of “Compagnie Minière du Congo Français” near Mindouli, the Loukouni River and Its Tributaries (Gorge, Waterfalls, Overhanging Cliffs), Native Villages, French Residents and Congolese Workers, the Interior of a Local Infirmary, &c. Ca. 1930s.