Extraordinary Earths: Ball Clay, China Clay, Soapstone & China Stone from Cornwall, Devon & Dorset 1700-1914
Ronald Perry & Charles Thurlow, SB, 320pp
£16.99
The Redlake Tramway & China Clay Works , The Story of a Dartmoor Railway
E. A Wade, Sb, 84pp, 61 Illustrations
£8.00