History: Shaping bells for loudspeakers at the Atwater Kent radio factory, Philadelphia, Pennsylvania, 1925 [640x863]

https://i.redd.it/dr74o17sozo11.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/9jnf8z/shaping_bells_for_loudspeakers_at_the_atwater/?utm_source=ifttt