TRC-A-1927 conventionDeclaration detailLevel http://ica-atom.org/doc/RS-2#5.4 Grand Challenge Cup Grand Challenge Cup 1953 Published Grand Challenge Cup 1953 - Thames RC conventionDeclaration 1953 Essam, Peter G 1953 1953 Pope, John 1953 1953 Alwin, Graham J 1953 1953 Webb, John 1953 1953 Williams, Lloyd 1953 1953 Watson, Alan R 1953 1953 Nicholls, Reginald H 1953 1953 Page, Geoffrey Glascott Houghton 1953 1953 Eldeen, J N 1953 1953