How they used to record stuff before the war. With human for scale.
A Marconi-Stille Steel-tape recording and reproducing machine at BBC Maida Vale. https://j.mp/3eIDfhb
— Steve Bowbrick (@bowbrick)
Jul 20, 2021
from http://twitter.com/bowbrick
on: July 20, 2021 at 11:59AM