About: http://webisa.webdatacommons.org/386447312

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	I label index rotor contacts with the units digit zero on top, i.e. 10, 20, 30, 40, 50 showing as the starting position, unit digits increase in a counter clockwise manner.
http://www.w3.org/ns/prov#wasQuotedFrom	maritime.org