Arts treasury: or, A profitable and pleasing invitation to the lovers of ingenuity : Contained in many extraordinary experiments, rareties, and curious inventions. In two parts. Part I. Containing the mystery of dying cloths, silks stuffs, hair, feather, bone, horn, ivory, leather, &c. ... Part II. Containing the quality, generation and product of metals and minerals, natural and artificial; directions to harden or soften them for use. ...