PugJesus@lemmy.worldM to [Dormant] moved to !historyphotos@piefed.social@lemmy.worldEnglish · 2 years agoTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldimagemessage-square18linkfedilinkarrow-up1255arrow-down10
arrow-up1255arrow-down1imageTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldPugJesus@lemmy.worldM to [Dormant] moved to !historyphotos@piefed.social@lemmy.worldEnglish · 2 years agomessage-square18linkfedilink
minus-squareworkerONE@lemmy.worldlinkfedilinkEnglisharrow-up10·2 years agoBefore radar was invented, we pointed lights at the sky hoping to see enemy airplanes.
minus-squareHawke@lemmy.worldBanned from communitylinkfedilinkEnglisharrow-up11·2 years agoRemoved by mod
Before radar was invented, we pointed lights at the sky hoping to see enemy airplanes.
Removed by mod