This battleship communication equipment was powered by the sound of the sailors voices. Listen to the sound powered headsets of the 1940s and learn how the crew used them.
To donate to the USS North Carolina:
https://battleshipnc.com/donate/
To see errata for this video: https://github.com/battleship-systems/episodes/blob/main/errata/tLf1dSjop5Q.md
