You keep using this word, but I do not think it means what YOU think it means...
I could be wrong here, but THIS is what I find when I research "Salvage":
http://www.admiraltylaw.com/summary.php?case_id=600
and "CLAIM OF SALVAGE":
http://en.m.wikipedia.org/wiki/Law_of_salvage
Printed copy · Anthology Volume 2, page 739Printed copy from The Tender For Law Anthology, Volume 2, page 739 (printed 14 June 2014). Added by this site; not part of the Facebook export.