Paper, an account of some mineral observations about the mines of Cornwall and Devon by Samuel Colepresse Describes how land is inspected if it is believed that there could be a mine beneath, the manner of mining ore, the tin kiln. Printed in 'Philosophical Transactions' as: 'An accompt of some mineral observations touching the mines of Cornwal and Devon; wherein is described the art of trayning a load; the art and manner of digging the ore; and the way of dressing and of blowing tin: communicated by an inquisitive person, that was much conversant in those mines'. Original drawing printed with this paper can be found at CLP/9i/14/2 Communicated by Henry Oldenburg Read at the Royal Society on 7 November 1667 Subject: Geology / Industry / Mining / Metallurgy [1667]