XXXI. To make a Parallelogram equal to a right Angled Square ABCD.
1. Lengthen the side of the Square AB, adding double its own length to it, as BF.
2. Divide the side of the Square BC into two equal parts, as BE, EC.
The new method of fortification, as practised by Monsieur de Vauban, Engineer General of France with an explication of all terms appertaining to that art / made English.
About this Item
- Title
- The new method of fortification, as practised by Monsieur de Vauban, Engineer General of France with an explication of all terms appertaining to that art / made English.
- Author
- Vauban, Sébastien Le Prestre de, 1633-1707.
- Publication
- London :: Printed for Abel Swall ...,
- 1691.
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- Subject terms
- Fortification -- Early works to 1800.
- Geometry -- Early works to 1800.
- Link to this Item
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http://name.umdl.umich.edu/A47731.0001.001
- Cite this Item
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"The new method of fortification, as practised by Monsieur de Vauban, Engineer General of France with an explication of all terms appertaining to that art / made English." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A47731.0001.001. University of Michigan Library Digital Collections. Accessed May 28, 2025.
Pages
Page 21
3. Take BF, and from the point E make an Arch.
4. Take BE and intersect this Arch from the point F in G.
5. Afterwards joyn EG and GF toge∣ther, and you have the Parallelogram re∣quired.