Books on Sciences and Techniques

Thomas de Cantimpré (Thomas Cantimpratensis), De naturis rerum.

  • 1311 January 22nd, Portogruaro; parchment; mm 240 × 165; ff. IV, 113, III’
  • Oxford, Bodleian Library, Canon. Misc. 356

This exemplar of a work that follows the tradition of great medieval encyclopaedias and had a wide spread in the Middle Ages was written in Portogruaro, “in the province of Friuli”, at the beginning of the fourteenth century.

Brunetto Latini, Li livres dou Tresor

  • S. XIV in.; parchment; mm 310 × 220; 15 bifolia and one single folium
  • Udine, State Archives, fragment 150

A manuscript belonging to the Tresor original redaction which was reduced to fragments and is now reconstructed.

Brunetto Latini, Tresor, vernacular Tuscan translation (ff. 1r-62v); Astronomical computations (ff. 62v-63v)

  • S. XIV (1368, Cortona); parchment; mm 290 × 200; ff. VI, 63, II’; 17 coloured astronomical drawings (ff. 48r-51v, 53r, 54r-v)
  • San Daniele del Friuli, ‘Biblioteca Civica Guarneriana’, 238

A fourteenth-century vernacular translation of the Tresor first book which belonged to Giusto Fontanini and was by the latter left to the ‘Biblioteca Guarneriana’.

Galen, Ars parva sive Microtegni; Isaac Judaeus, Liber dietarum universalium

  • S. XII ex.; parchment; mm 225 × 120; ff. 62
  • San Daniele del Friuli, ‘Biblioteca Civica Guarneriana’, 145

A medicine book that perhaps belonged to the cardinal Antonio Pancera or to the Friulian doctor Geremia Simeoni and later got onto Guarnerio d’Artegna’s bookshelves.


  • S. XV med.; paper; mm 290 × 220; ff. I, 94 (88)*, I’; ff. 1r, 4r-6v, 93r-94v are blank
  • Udine, ‘Joppi’ City Library, ‘Fondo principale’, 1161.

A fifteenth-century herbary, featuring a very rich set of illustrations, that was purchased by the City Library of Udine in 1920.

Nicolò de Portis, Medical manuscript and recipe book

  • A. 1470 circa, paper; mm 290 × 205; ff. 73
  • Udine, ‘Joppi’ City Library, ‘Fondo Joppi’, 61

A kind of hodgepodge book put together by Nicolò de Portis from Cividale usefully witnesses the spread of books and knowledge of medical matters.

Geremia Simeoni, De conservanda sanitate and Regimen ad pestilentiam

  • A. 1456 and 1446; paper; mm 290 × 225; ff. 214
  • San Daniele del Friuli, ‘Biblioteca Civica Guarneriana’, 43

A miscellaneous codex of Guarnerio’s collection that includes some advices by the Friulian doctor Geremia Simeoni.

Flavius Vegetius, Epitoma rei militaris; Giordano Ruffo di Calabria, Mascalcia equorum (vernacular French translations)

  • S. XIV in.; parchment; mm 320 × 225; three bifolia
  • Udine, State Archives, fragments 158 and 159
  • An unknown version of Vegetius’ work and a fragment of Mascalcia, one of the oldest of this treatise.

Fiore dei Liberi, Flos duellatorum

  • S. XIV in.; parchment mm 280 × 205; ff. 49.
  • Los Angeles, J. Paul Getty Museum, Ludwig, XV.13

The oldest Italian manual of fencing technique by the Friulian Fiore dei Liberi in a codex of the Los Angeles Getty Museum.

Giovanni Fontana, Tractatus de trigono balistario

  • A. 1440; paper; mm 295 × 215; ff. II, 222, I’
  • Oxford, Bodleian Library, Canon. Misc. 47

A work that witnesses the extraordinary genius of its author and makes more famous inventors of the Renaissance period come into one’s mind.

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