The nine colophons (printer's marks) between the first and second story windows on Allen Hall survey the history of printing. For example, the one with the inscription 'ALDUS' identifies the Aldine press. Aldus Manutius (1449-1515) was a pioineering figure in publishing, printing, and typography.
Description of this work is based initially on documentation supplied by the image provider. It is often the case with gift slides that very little information is provided. Review and updating of descriptive information by the collection cataloger is ongoing.