Gebruik van de halve cirkel geïllustreerd 1690

This 1690 engraving by Sébastien Leclerc I, titled "Gebruik van de halve cirkel geïllustreerd," demonstrates the practical application of geometry in constructing a fortification. Leclerc was a renowned artist and engraver known for his technical drawings and illustrations of architectural and military themes. The artwork showcases the use of a half-circle tool for measuring angles and determining the precise layout of the structure, illustrating a crucial element of 17th-century military engineering. This piece is currently housed in the Rijksmuseum in Amsterdam.