The preface is in vol. 1 but was dated 1797, so it apparently was sent with the title pages to bookbinders that year.
en.wikipedia.org He was a bookbinder, stationary to the king, and cashier to the ordinance office from 1699 to 1702.
en.wikipedia.org Their work tools were usually made of wood by the bookbinders themselves.
en.wikipedia.org He was a pharmacist, apothecary, printer, engraver/etcher, bookseller, stationer, publisher, bookbinder, librarian/owner of a circulating library, and stereotyper/stereotype founder.
en.wikipedia.org Graduates enter the field as bookbinders in custom binderies and university or institutional conservation labs or as self-employed bookbinders and book artists.
en.wikipedia.org