The circulation of practice of mathematics and military architecture in the seventeenth century.

What is it about?

In this paper,we show this circulation through the analysis on an early work on Portuguese fortifications, Methodo Lusitanico de Desenhar as Fortificaçoens das Praças Regulares & Irregulares (Lusitanic Method of Drawing Fortifications of Regular and Irregular Military Posts),published posthumously in1680,the author of which was the leading Portuguese Chief Cosmographer and Chief Engineer, Luis Serrão Pimentel (1613–1679).

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Why is it important?

We show the European influences on Portuguese science in the seventeenth century through the analysis of an early work on modern fortifications written in the Portuguese language and by a Portuguese scholar. As far as the contents of the book are concerned, we show that Serrão Pimentel analyzes and reviews the published methods of fortification, and modifies them by introducing new procedures to improve the use of mathematics in the teaching of engineers. Our analysis also shows that Serrão Pimentel was a leading mathematician and a skillful teacher who had read the main mathematical works published at his time, such as Stevin’s decimal arithmetic,and used them in practice.

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