Dud Dudley's Mettallum martis : or, iron made with pit-coale, sea-cole, &c. : and with the same fuell to melt and fine imperfect mettals, and refine perfect mettals

Dud Dudley's Mettallum martis : or, iron made with pit-coale, sea-cole, &c. : and with the same fuell to melt and fine imperfect mettals, and refine perfect mettals