Keywords: French submarine Montgolfier NH 42841.jpeg en Sailors demonstrating use of the deck gun of the French submarine Montgolfier before 1919 http //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-42000/NH-42841 html Robert W Neeser other versions PD-USGov Brumaire class submarines Uploaded with UploadWizard |