“Fully working, manual record player made entirely of paper. To play the record the handle needs to be turned in a clockwise direction at a steady 33^1/3rpm. The paper cone then acts as a pickup, amplifying the sound enough to make it audible. (Record shown, The Sound of Music 1965).”

Holy shit. Recorded sound continues to be so mysterious to me (passed on by Boris Smelov. Click for source.)