A discovery of subterraneall treasure : viz. of all manner of mines and mineralls, from the gold to the coale; with plaine directions and rules for the finding of them in all kingdomes and countries. And also the art of melting, refining, and assaying of them is plainly declared, ... : whereunto is added a reall experiment whereby every ignorant man may presently try whether any peece of gold that shal come to his hands be true or counterfeit ... : also a perfect way to try what colour any berry, leafe, flower, stalke, root, fruit, seed, barke, or wood will give : with a perfect way to make colours that they shall not stayne nor fade like ordinary colours. Very necessary for every one to know | Collections | The Huntington