THE STORY OF ARTIFICIAL SILK —— The whole story was told in a book, *“ THE LiFe AND LABOURS OF JOHN MERCER,” by Edward A. Parnell. It was printed by Longman’s for private distribution in 1886. Few copies were sold. Most of them were given to friends of the Mercer family. It is now out of print. Very few copies are in existence. However, Mr. Henry Williams, Librarian of the College of Technology, Manchester, was kind enough to lend me his copy for a month. This book has suddenly become of great value, as it describes the early beginnings of the Artificial Silk industry. Little did the author think that his book would become so valuable. Neither he nor John Mercer knew the vast influence of Mercer's experiments. This story is here made public for the first time. John Mercer was born in 1791, at a small village called Dean, near Blackburn. His father had a small spinning-mill, but, when the new spinning machinery came in, the Mercer family were forced out of the spinning business. They bought a small farm and 20