About: http://webisa.webdatacommons.org/29127576

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	If you use the wire sizes you found on the piano to see what the tension and other values would be from the chart, you will find that the values will be very irregular as you suspected.
http://www.w3.org/ns/prov#wasQuotedFrom	pianoworld.com