Blowpipe Analysis Set, for mineral analysis and identification. Made by John Teague Letcher of Truro, Cornwall.

Crucible moulds used at Calenick, near Truro, Cornwall.

Crucibles used during the tin smelting process. From Calenick, near Truro, Cornwall.

Brass Instrument for use by miners, made by William Wilton of St. Day, Cornwall.