Columbia Records introduces the 33 1/3 LP (“long playing”) record at New York's Waldorf-Astoria Hotel[?], featuring 25 minutes of music per side, compared to the four minutes per side of the 78 rpm record, the previous standard.
... motion.
It takes a while until one finds the "rolling" point, but the gyro will also be accelerated to a smaller extent by the slipping friction.
The device is ...