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HISTORY]

The above descriptions and explanations, based on bibliographical and typographical facts, deal exclusively with the editions and issues of editions of the Speculum now known to us. They by themselves make it clear (1) that their printer began as a xylographer and block-printer; (2) that the six editions which he published of this one work cannot be placed later than 1471, as this date is written in a copy of the latest of them; (3) that, for the printing of his five type-printed editions (Dutch and Latin), he manufactured no less than three different types.

When round these editions and types we now group the various other incunabula which must be ascribed to him, as being printed with the same types or others related to them by a striking family likeness and other circumstances, we obtain the following sequence for this printer's work.