re my earlier post #21, I just found a copy of "The King's Speech" on YouTube, and the record being played into headphones so that the King can't hear his own words while speaking, does indeed look very much like an acoustic gramophone having a tubular tone arm. I haven't ever come across an electrical pickup arm of tubular construction, but perhaps they do exist. The headphones actually seem to be part of the recording deck.
https://www.youtube.com/watch?v=BAmXUIyw0sc