About: http://webisa.webdatacommons.org/51887935

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 excitation current through the field winding 39 is thus reversed and the magnetic field is such as to cause the motor to drive in a reverse direction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca