Iohannis Teyler architectura militaris
A military architecture treatise by Johan Teyler, printed in the early modern period by an unnamed publisher and held by the ETH-Bibliothek, apparently for engineers and soldiers. The pictures are fine line engravings: one shows a shaded disc with a dotted sightline marked K as a geometric diagram, and the title page has a banner over a cannon, drums, pikes, a cannonball and a fortress wall under a cloudy sky, a decorative arrangement a designer could borrow for trophy-style compositions.

