PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 11 months agoTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldimagemessage-square1fedilinkarrow-up10arrow-down10
arrow-up10arrow-down1imageTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 11 months agomessage-square1fedilink