6 items found

Andy Ryan operating the automatic zinc plating plant at EIC Metal Finishing, Exeter. 21.1.83 (1983)

Work in progress on equipment for the Sea King helicopter at EIC Metal Finishing, Exeter. 21.1.83 (1983)

On the methods generally adopted in Cornwall in dressing tin and copper ores (2006)

Henderson, James

On metals in Devon: a comparative view of originas and principles (1949)

W. J. Prew

On metals in Devon (1949)

W. J. Prew

A short history of British ore preparation techniques in the eighteenth and nineteenth centuries (1982)

Burt, Roger