PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agoTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldimagemessage-square16fedilinkarrow-up1250
arrow-up1250imageTwo Imperial German sound locators for detecting airplanes, WW1, 1917lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 10 months agomessage-square16fedilink
minus-squareI_Has_A_Hat@startrek.websitelinkfedilinkEnglisharrow-up9·edit-29 months agoRemoved by mod
minus-squareCethin@lemmy.ziplinkfedilinkEnglisharrow-up9·10 months agoI assume magnification to spot planes. Basically binoculars without the need to hold them.
Removed by mod
I assume magnification to spot planes. Basically binoculars without the need to hold them.