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Hugh Semple's De mathematicis disciplinis (1635). Title page
The dissemination of the mathematical science in seventeenth-century Spain, as well as the introduction of the Neperian logarithms, is owed to the…
Fernán Pérez de Guzmán's Chronicle of John II of Castile (1517). Fol. [23v]
By the Treaty of Bayonne of 1388, Catherine of Lancaster became wife to Prince Henry, heir to the throne of Castile, and first Princess of Asturias in history. The later Queen Consort of Henry III of Castile and regent of the kingdom during the…