Hand-colored double-paged illustration from series 17, page 124 of the book Atlantis Majoris Quinta Pars Orbem Maritimum seu Omnium Marium totius Orbis Terrarum Navigationibus hodierno tempore frequentatorum descriptionem accuratisimam continens : cui adjunctus est Orbis Antiquus et Graecia Parallela (Amsterdam: 1650). Jansson's book was the first true sea atlas, published as the fifth volume of Jansson's Atlas Novus.