@PugJesusM to HistoryPornEnglish • 1 year agoThe ISOLATOR, invention from 1925imagemessage-square29arrow-up1281arrow-down15
arrow-up1276arrow-down1imageThe ISOLATOR, invention from 1925@PugJesusM to HistoryPornEnglish • 1 year agomessage-square29
minus-square@[email protected]linkfedilinkEnglish3•1 year agoThe grandfather of noise canceling headphones.
The grandfather of noise canceling headphones.