About: http://webisa.webdatacommons.org/443532171

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	The part that I am reasonably sure is a problem is the fact that the grounds (commons) are not switched on that crossover because bridging and class D and non-ground referenced outputs were rarely used back then.
http://www.w3.org/ns/prov#wasQuotedFrom	harmonycentral.com