Wiktionary
pure finder
n. 1 (context obsolete English) Someone who collected dog faeces for sale to tannery (which used it as a siccative for bookbinding leather). Undertaken by old women in Britain in the 18th century. (Reference: http://en.wikipedia.org/wiki/Robert%20Hughes, ''The Fatal Shore'', 1987, paperback 1996 ISBN 1-86046-150-6 chapter 1 page 21.) 2 (&lit pure finder English)