Researched and devised by Oliphant Jackson[?], MRCVS, the Jackson Ratio is a method of determining whether a tortoise, or a member of another chelonia species, is maintaining its optimum bodyweight, which is necessary for a successful hibernation
... Rail Travel[?], Keighley and Worth Valley Railway
National Museum of Photography, Film and Television, Bradford
Royal Armouries Museum[?], Leeds
West Yorkshire Folk ...