Schwenter (Daniel) Deliciae physico-mathematicae. Oder mathemat: und philosophische erquickstunden, Nuremberg, Jeremias Dümler, 1636.

Schwenter (Daniel) Deliciae physico-mathematicae. Oder mathemat: und philosophische erquickstunden, engraved title page (edges strengthened and repaired with some minor loss to image), woodcut initials, head- and tail-pieces, and numerous illustrations, second ff. repaired at head, 3N3 lower corner repaired, occasional browning, modern half calf, [Tomash & Williams S67], 4to, Nuremberg, Jeremias Dümler, 1636.

⁂ A popular encyclopedic work of recreational mathematics, including, apparently, the first illustration of a fountain pen on p.520.