A ioyfull iewell. Contayning aswell such excellent orders, preseruatiues and precious practises for the plague, as also such meruelous medcins for diuers maladies, as hitherto haue not beene published in the English tung. First made and written in the Italian tung by the famous, and learned knight and doctor M. Leonardo Fiorouantie, of his owne ingenious inuentions. And now for the carefull commoditie of his natiue countrey, translated out of the Italian by TH,