PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agoTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldimagemessage-square1fedilinkarrow-up12arrow-down10
arrow-up12arrow-down1imageTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agomessage-square1fedilink
M-I-C… K-E-Y…