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12-8-M-19
The following lines are mirror-reversed bleed-through from the title page:
Handwritten cursive inscription:
Hero of Alexandria’s Book on Pneumatics
recently translated from the Greek into Latin
by Federico Commandino of Urbino
Two horizontal decorative woodcut printer's ornaments with scrollwork and floral patterns are centered on the page. To the left is a dark, blurred circular library stamp. To the right is an oval stamp containing a faint heraldic figure.
Mirror-reversed bleed-through at the bottom of the page: