Page:De Vinne, Invention of Printing (1876).djvu/324

314 to another book in paper, or in a paper cover?" This conjecture is reasonable. No one knows of an early edition of this book from engraved blocks. As the seller of one copy was a copyist we may conclude that both copies were written.

Equally unsatisfactory to an unprejudiced reader is the misconstruction of the word printer in the list of the different arts or trades embraced by the Confraternity of St. John the Baptist, at Bruges. It has been inferred that the printers here noticed were printers of types, and that typographic printing was done in 1454, when the following list was written:

We have here a careful and, probably, a complete specification of all trades contributing to the manufacture of books, but there is no mention of type-makers nor of typographers.