About: http://webisa.webdatacommons.org/277374023

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	In the accompanying drawings, Fig. 1 is a vertical central section of the device; Fig. 2 is a front elevation of the metallic inner tube; Fig. 3 is a plan of the insulation upon the resistance wire;'Fig. a is a plan of
http://www.w3.org/ns/prov#wasQuotedFrom	google.com