Portrait of Nicolaus Petri Title page for: N. Petri. Practicqve, to learn to count, cypheer and keep a record, 1635, Portrait of Nicolaus Petri [van Deventer], calculation master and astronomer in Amsterdam. Half-length portrait, behind a table with mathematical and astronomical instruments: globe, celestial sphere, astrolabe, compass. To the right of his head a sphere of heaven and to the left an icosahedron. In the background a man points a measuring instrument at an obelisk, measuring instruments, armillary sphere, skeleton celestial globe, globe, globe in the shape of an icosahedron

---

Portrait of Nicolaus Petri Title page for: N. Petri. Practicqve, to learn to count, cypheer and keep a record, 1635, Portrait of Nicolaus Petri [van Deventer], calculation master and astronomer in Amsterdam. Half-length portrait, behind a table with mathematical and astronomical instruments: globe, celestial sphere, astrolabe, compass. To the right of his head a sphere of heaven and to the left an icosahedron. In the background a man points a measuring instrument at an obelisk, measuring instruments, armillary sphere, skeleton celestial globe, globe, globe in the shape of an icosahedron, Nicolaus Petri, anonymous, Amsterdam, paper, letterpress printing, h 164 mm × w 101 mm

---

Size: 4209px × 6877px
Location:
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -length, 1635, amsterdam, armillary, astrolabe, astronomer, astronomical, background, calculation, celestial, compass, count, cypheer, deventer, globe, head, heaven, icosahedron, instrument, instruments, learn, left, letterpress, man, master, mathematical, measuring, nicolaus, obelisk, page, paper, petri, points, portrait, practicqve, printing, record, shape, skeleton, sphere, table, title, van