History: Munitions worker being used to clean the barrel of a 15-inch naval gun during WW1 [800 x 596]

https://i.redd.it/ygq8mv7624471.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/nvf7o2/munitions_worker_being_used_to_clean_the_barrel/?utm_source=ifttt