A detailed sixteenth-century engraving depicting the technical process of a manual printing workshop, from typesetting to the operation of the screw press.

This engraving, titled 'Impressio Librorum' (The Invention of Book Printing), provides a detailed visual record of a sixteenth-century printing workshop. Originally designed by Jan van der Straet, known as Stradanus, and engraved by Theodoor Galle, the work belongs to a series celebrating technological advancements of the era. The composition is divided into distinct zones of activity: compositors set individual metal type into frames on the left, while the central and right sections show the operation of the wooden screw press. A printer pulls the lever to apply pressure, while an assistant prepares the paper.

The scene is rendered with precise, linear hatching typical of Flemish printmaking from this period. The architecture of the workshop is depicted with a sense of depth, leading the eye toward an arched doorway that reveals a glimpse of a town exterior. Every element, from the ink balls held by the workers to the drying sheets suspended from the rafters, serves to document the labour-intensive process of early modern book production. The Latin inscription at the base translates to: 'As one voice can be heard by many ears, so one written page can reach a thousand.'

This print is a valuable historical document for those interested in the history of the book and the mechanics of early printing presses. The figures are dressed in period-appropriate attire, and the tools of the trade are depicted with technical accuracy. The work reflects the intellectual climate of the late Renaissance, where the dissemination of knowledge through the printed word was viewed as a transformative achievement for society. The print captures the collaborative nature of the workshop, showing the division of labour required to produce printed materials before the advent of industrial automation.