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Updated: May 11, 2025
Persons who had privately acquired a knowledge of fortification and similar branches of the science were employed, upon occasion, but regular corps of engineers there were none. The prince established a course of instruction in this profession at the University of Leyden, according to a system drawn up by the celebrated Stevinus.
These men are the Dutchman Stevinus, who must always be remembered as a co-laborer with Galileo in the foundation of the science of dynamics, and the Englishman Gilbert, to whom is due the unqualified praise of first subjecting the phenomenon of magnetism to a strictly scientific investigation. Stevinus was born in the year 1548, and died in 1620.
To him; and to the nonagenarian Mondragon at Antwerp, the veteran Verdugo now called loudly for aides against the youthful pedant, whom all men had been laughing at a twelvemonth or so before. The Macedonian phalanx, Simon Stevinus and delving Dutch boors unworthy of the name of soldiers- -seemed to be steadily digging the ground from under Philip's feet in his hereditary domains.
But Philip the Prudent remained, and Elizabeth of England, and Henry of France and Navarre, and John of Olden-Barneveld; and there was still another personage, a very young man still, but a deep-thinking, hard-working student, fagging steadily at mathematics and deep in the works of Stevinus, who, before long, might play a conspicuous part in the world's great drama.
By this simple experiment was laid the foundation of the science of statics. Stevinus had a full grasp of the principle which his experiment involved, and he applied it to the solution of oblique forces in all directions. Earlier investigations of Stevinus were published in 1608. His collected works were published at Leyden in 1634.
He showed that the action of two perpendicular forces upon a point is the same as that denoted by the diagonal of a rectangle, of which they represent the sides. From this the passage to the proposition of oblique forces was very easy. This proposition was rediscovered by Stevinus, a century later, and applied by him to the explanation of the mechanical powers.
The young disciple of Simon Stevinus now resumed that practical demonstration of his principles which had been in the previous year so well begun. On the 28th May, 1592, Maurice, taking the field with six thousand foot and two thousand horse, came once more before Steenwyck.
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