Samuel Marolois wrote a book full of examples how to calculate on the dimensions of a fortification.[br]This worksheet shows the sequence of calculations for his famous table of dimensions.[br]The source of his book is available online.[br]Unfortunately, there are many editions. Some contain no more than the illustrations or only the text without tables and figures..[br]source list: [url=http://www.fransvanschooten.nl/Stevin.htm#literatuur]Sterctenbovwing Simon Stevin (www,fransvanschooten.nl)[/url][br]website: [url=https://www.e-rara.ch/zut/doi/10.3931/e-rara-8264]ETH-Bibliothek / Fortification ou architecture militaire tant offensive que deffensive (e-rara.ch)[/url]