La fortification demonstree et reduicte en art (1620)
Errard, J. (Jean), 1554-1610, Briot, Isaac, 1585-1670 · A Paris : [s.n.] · leaf 101
DE LA FIGVRE DV ANGL E. yiNGT-VN 1 Angle a fon Angle du Centre de dix- A Fit;ure du vingt-vH Angle a Iv, fept ciegrez & vn fepticme de degrez Les Angles de dcfllis la Baze du Triangle Ifofccle chacun de huiftante & vn degrez, 6c trois lepticmes de degrez. Son Angle flanquant le trouuera cftre de…
Fortification · Artillery · Military art and science
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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