History: Austrian officers playing music into radio transmitters that broadcast it to soldiers in nearby trenches, WW1, 1917 [1680 x 1230]

https://i.redd.it/r4jqeejmnlk61.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/lvzu45/austrian_officers_playing_music_into_radio/?utm_source=ifttt