About: http://webisa.webdatacommons.org/169792474

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	Refrigerator Introduction In the late 1800s the first ???mechanical??? refrigerators were introduced to businesses such as restaurants and grocery stores.
http://www.w3.org/ns/prov#wasQuotedFrom	ieeeghn.org