The author translates and analyzes selections from a medieval encyclopaedist's compendium and frames them with an introductory study of the principal subjects treated. The essay argues that the compendium preserves scattered remnants of ancient secular science after a process of de‑secularization, traces the textual and linguistic difficulties of working with a corrupt Latin manuscript tradition, and highlights the compiler's reliance on earlier Roman authorities and ancient scientific terminology without technical rigor. Attention is given to the regional cultural context that shaped the work, its reception and influence on later medieval education, and the methodological limits of the study, which avoids reconstructing technical scientific details.