Jan. 8, 2025
Tusi Couple
Tusi couple - 13th century CE sketch by Nasir al-Din Tusi. Generates a linear motion as a sum of two circular motions. Invented for Tusi's planetary model.
An animated model of a Tusi couple
Alba's March to the Netherlands, 1567
Map courtesy of William Maltby, Alba: A Biography of Fernando Álvarez de Toledo
Map of the Iconoclastic Fury in the Low Countries, 1566
Map courtesy of Geoffrey Parker, The Dutch Revolt (revised edition), Penguin Books, 1985
