General subject of the book
The book “Logometron architecturae militaris Freitagianae” written by Andreas Alexander, was published in 1665. It’s written in old German and has also Latin terms. It’s about mathematical problems and geometric dimensioning. The book looks used and the parchment paper is slightly stained. The color of the cover is light beige. The pages have initials and ornaments.
Organisation of the book
From page 1-20 there is a preface (“Vorbericht”). The main part of the book (“Bericht”) is subdivided into:
I. Partes Instrumenti (Inhalt der Linien)
II. Fundamenta operationum (Regeln der Operation)
III. Operationes Ipsae, Circa Problemata: 1. Problemata Arithmetica (Aufgaben I.-VI.), 2. Problemata Polygonica (Aufgaben VII.-IX.), 3. Problemata Chordometrica (Aufgaben X.-XV.), 4. Problemata Fortificatoria (Aufgaben XVI.-XXVII.)
After the appendix there are illustrations, the “Tafeln” and some blank pages.
Size of the book
The book has a breadth of 153 mm, a height of 98 mm and a width of 15 mm. The traditional standard format is the quadragesimo-octavo.
Number of pages and illustrations
The book has a total number of 171 pages. The last pages consist 12 illustrations and 16 “Tafeln” which are divided into 19 sections.