About: http://webisa.webdatacommons.org/157750047

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	FIG. 13a is a side view of an arm of the first yoke illustrating a scale of degrees imprinted thereon to assist in accurate positioning of the line of sight up or down from the horizontal; and
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca