I enjoy the old manuals and thought I'd post the link. I refuse to soak my strops in urine.
http://ia700209.us.archive.org/17/items/essayonbarbersra00lebl/essayonbarbersra00lebl.pdf
http://ia700209.us.archive.org/17/items/essayonbarbersra00lebl/essayonbarbersra00lebl.pdf