Large mechanized spindle adaptors were supplied with most multi-speed automatic record changers sold in the 1950s and 1960s, but they were not as fast and efficient.
By this time home phonographs had become much more common, though it wasn't until the 1940s that console radio/phono set-ups with automatic record changers became more common.
This drop-automatic sequence was designed for record changers which simply dropped records rather than reversing the stack as it was played in sequence.