Derek Pratt FBHI watchmaker : proceedings of a memorial seminar, British Horological Institute, Upton Hall, September 18th 2011. Together with workshop notes, 'A life in pictures' and articles written by Derek Pratt /
Pratt, Derek,1938-2009.
Treffry, Timothy E.,editor of compilation.
British Horological Institute,publisher.
Pratt, Derek, 1938-2009
Clock and watch making
Horology