David Parker
Dartmoor Tinworking Research Group
Ernie Hoblyn
Roger Bowan
Todd Gray
Trevithick Society
Gwen Clarke
Raymond O'Malley
Carel Toms
Maureen Billsberry
Jean Goddard
Anthony Gibson
Robert W. Dunning
Phil Keen
Raymond Head
Jennifer McCaig
Guy Martin
Janet Ross
Jacqueline Sarsby
Devon Archaeological Society