Note 22 — BOOK VII.
Herbert Hoover translation
Lead ash (Cinis Plumbi. Glossary, Pleyasch).—This was obviously, from the method of making, an artificial lead sulphide.
Herbert Hoover translation
Lead ash (Cinis Plumbi. Glossary, Pleyasch).—This was obviously, from the method of making, an artificial lead sulphide.