Photo of an official visit of Neuköln RLB (Reichsluftschutzbund) members to Gasmask Fabric Degea AG in Oranienburg in 1935. Photo has a description on the photo itself and on the reverse, the stamp of the photographer.The Reichsluftschutzbund (RLB) was an organization in Nazi Germany in charge of air raid precautions in residential areas and among smaller businesses.