Print. Armarium physico-Mathematicum / Georg Dieffenprunner [Dieffenbrunner] Pict. Aug. Delin; Jos. et Joan. Klauber Sci Aug Vind. n.d. [1750-1800]. Engraving, line, image 17.4x23.9cm, platemark 20.4x26cm, sheet 23.7x38.5cm. - Top edge trimmed slightly; plate from a book? - Depicts a baroquely ornate ceiling and room, its shelves filled with scientific instruments and mechanics of natural philosophy; on the floor a time bar; at far end window, a telescope, with above, an aperture through which sunlight falls on time bar. [cabinet of Frederick the Great?]