PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agoListening device for detecting aircraft, USA, 1921lemmy.worldimagemessage-square6fedilinkarrow-up1135arrow-down11
arrow-up1134arrow-down1imageListening device for detecting aircraft, USA, 1921lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agomessage-square6fedilink
TESTING