Plate 4 from Recueil douvrages curieux de mathmatique et de mcanique ou description du cabinet de Monsieur Grollier de Servire. Research in ProgressDesigns for mechanical objects to be carried out in metal or ivory. The central figure (12) is the largest, and like those in Plate 3, is spherical, but has more holes apparent. Inside are loose barrel-like shapes; figure 4, an indented sphere.

---

Size: 1378px × 1813px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: