|Description||Letter written by John Sturdie at Thurnham to Martin lister at Stonegate, Yorke [York]. Sturdie describes the way that ore is melted and forged into bars. Postscript (unpublished) answers queries presumably from Lister regarding the making of steel and the location of hard and soft ore.|
Subject: Geology / Metallurgy
Published in Philosophical Transactions as part of paper titled 'Extracts of some letters from Mr. John Sturdie of Lancashire concerning iron ore; and more particularly of the hæmatites, wrought into iron at milthrop-forge in that county'.