Bury wrote the article in the International Jewellery Fair and Seminar Handbook in the 1980s, I myself was not able to find a copy of it, however the Royal Library very kindly scanned the article as a PDF for me when requested.
I can email over this PDF for you, if you would like to read it?
--Previous Message-- : I have done extensive "Googling" to : find the document, but can't seem to find : it, its text, or a second-hand bookseller : that has it. Does it exist anywhere on the : Internet? It would be a fascinating read. :