In the 1960's, record players were manufactured to revolve at 78, 45 and 33 revolutions per minute, and what other speed?
in the 1960's, record players were manufactured to revolve at 78, 45 and 33 revolutions per minute, and what other speed
FreebaseQA-train-15868.P0
revolutions per minute
revolutions per minute
m.034bsbv
music.release.format
m.0174nj
gramophone record