Assertion: stereo disc | /r/HasProperty | played in system
Facets:
value: vertically
type: MANNER
Source sentences:
text: The dual-sided stereo disc was then played vertically, first in a system that featured two tonearms on the same post facing one another, and later on in an offset system where one tonearm was placed conventionally and the other tonearm was placed opposite, i.e. not only on the other side of the mechanism, but facing the other way as well so that both tonearms could start at the edge and play to the center.