About: http://webisa.webdatacommons.org/190312040

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	many sorts of retes, screws, and other devices, for improving telescopes to take small distances, and apparent diameters, to seconds.
http://www.w3.org/ns/prov#wasQuotedFrom	fromoldbooks.org