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. Computer universal dividers indicating weights of globes of various metals corresponding to measurements of points. Brass gilt with steel points. Inscription: Christophorus Schissler faciebat augustae vindelicorum Anno 1580
1580
National Maritime Museum

. Diptych dial for latitudes 42°-54° North. This rectangular ivory dial consists of two leaves that fold flat when not in use. Inscribed at the top of leaf Ia is an instruction concerning the dial that notes that the hole '54' is require
1580
National Maritime Museum

. The basic trigometre design consists of two graduated arms pivoting at the end of a fixed base. In Danfrie's version, each arm carries a graduated arc for measuring the angles formed with the fixed base. The distance to a point can be computed usin
1580
National Maritime Museum

Fool's Cap World Map. Fool's World Map, based on Ortelius's third 'Typus Orbis Terrarum,' which suggests a publication date after 1587. Published by an unknown maker, it shows a fool's or jester's cap with a world map w
[1590]
National Maritime Museum

Parens, Siue Parentium vulgo, Parenzo Histrie opp. Print
1580
National Maritime Museum

[Smerwick]. Bound sheet. Col. ms. Medium: Laid on linen. Cartographic Note: North at 90 degrees. Additional Places: Ireland, Dingle peninsula, Kerry. Contents Note: The map shows the English earthwork with two guns for attacking the Spanish fort and Engli
1580
National Maritime Museum

Christophorus Columbus Ligur[iae] Indiaru[m] Prim[us] Invet[o]r A[nn]o 1492. Text in Latin above and below image (Christopher Columbus of Liguria [i.e. Genoa] first discoverer of the Indies, in the year 1492).
1580 to 1620
National Maritime Museum