Keywords: Sagahan Armstrong gun used at the Battle of Ueno against the Shogitai 1868.jpg en Sagahan_Armstrong_gun_used_at_the_Battle_of_Ueno_against_the_Shogitai_1868 1868 Japanese photograh from Bakumatsu Meiji Kosha Shincho Anonymous 1868 PD-Art PD-Japan-oldphoto Boshin war Armstrong guns Unidentified artillery 19th-century field artillery |