About: http://webisa.webdatacommons.org/225744465

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 majority of such devices as have been proposed relate to high school or college instruction and necessarily become somewhat complicated both from a mechanical and electrical standpoint.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com