Portrait of Nicolaus Petri Title page for: N. Petri. Practicqve, to learn to count, cypheer and keep a record, 1605, Portrait of Nicolaus Petri [van Deventer], calculator 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

---

Portrait of Nicolaus Petri Title page for: N. Petri. Practicqve, to learn to count, cypheer and keep a record, 1605, Portrait of Nicolaus Petri [van Deventer], calculator 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 153 mm × w 92 mm h 95 mm × w 80 mm

---

Size: 4024px × 6719px
Location:
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -length, 1605, amsterdam, armillary, astrolabe, astronomer, astronomical, background, calculator, celestial, compass, count, cypheer, deventer, globe, head, heaven, icosahedron, instrument, instruments, learn, left, letterpress, man, mathematical, measuring, nicolaus, obelisk, page, paper, petri, points, portrait, practicqve, printing, record, shape, skeleton, sphere, table, title, van