shilling mark vs slanting

shilling mark

noun
  • Synonym of slash ⟨/⟩ in its use to mark the amount of shillings in a sum or (obsolete) in all its uses. 

slanting

noun
  • The state or quality of being slanted. 

adj
  • Out of the perpendicular, not perpendicular. 

How often have the words shilling mark and slanting occurred in a corpus of books? (source: Google Ngram Viewer )