China Clay: A Geologist’s View book £7.99 Covering aspects of Cornwall’s geology, from china clay minerals forming within the earth across the ages, right up to possibilities of its mining for the future. Read more ERF lorry £7.99 This miniature model of the 1934 C.I.5 ERF lorry is a unique keepsake from our gift shop, made especially for Wheal Martyn museum by Hornby. Read more Cornwall’s Geology and Scenery book £14.99 This book features a detailed insight into the scenery of Cornwall, based upon its unique geological foundation. Read more 'I hope there's a kettle in my room' book £9.99 The inspiring true story of a first solo backpacking journey around Europe at age 55, by Paula Rooney who works at Wheal Martyn. Read more China Clay book £3.99 Discover the fascinating history of china clay in Cornwall, clearly explained in this delightful book by Charles Thurlow. Read more