About: http://webisa.webdatacommons.org/80582834

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I think your comment that it is almost possible to hear whether they are vibrating horizontally or vertically is right on the mark.
http://www.w3.org/ns/prov#wasQuotedFrom	alembic.com