Algorismus ; Tractatum de sphaera.

Format:

Book

Manuscript

Author/Creator:

Sacro Bosco, Joannes de, active 1230, author.

Contributor:

Lawrence J. Schoenberg Collection (University of Pennsylvania)

Language:

Latin

Subjects (All):

Arithmetic--Early works to 1900.

Arithmetic.

Astronomy--Early works to 1800.

Astronomy.

Astronomy, Medieval.

Cosmography--Early works to 1800.

Cosmography.

Genre:

codices (bound manuscripts)

diagrams

treatises

Manuscripts, Latin -- 13th century.

Manuscripts, Medieval.

Penn Provenance:

Possible ownership inscription: Brother Pietro di Santo Giovanni (Frater Petrus de Sancto Joanne), Florence (?), 1399 (inscription, f. 9v).

Sold at auction at Sotheby's, 2 Dec. 1986, lot 35, to Lawrence J. Schoenberg.

Deposit by Lawrence J. Schoenberg and Barbara Brizdle, 2011.

Gift of Barbara Brizdle Schoenberg, 2021.

Physical Description:

30 leaves : parchment, illustrations ; 182 x 128-130 (128 x 85) mm bound to 188 x 138 mm

Place of Publication:

[Italy], [between 1225 and 1275]

Language Note:

Latin.

Summary:

Treatise on the fundamentals of arithmetic (Algorismus), followed by a treatise on cosmography that describes and illustrates the Ptolemaic model of a spherical earth divided into climactic zones at the center of the concentric spheres of the universe. The second treatise has marginal notes in the same ink and possibly hand as the text, as well as notes in a later cursive hand in faint ink and a bifolium written in this later hand bound in (f. 23-24).

Contents:

1. f.1r-9v: Algorismus.

2. f.9v-30v: Tractatum de sphaera.

Notes:

Ms. codex.

Title for manuscript from caption title of first work and incipit of second work (f. 1r, 9v); second work is also known as Sphaera mundi.

Collation: Parchment, 30; 1¹⁰ 2¹⁰⁻¹(-4) 3¹⁴⁻³(-1, -2, -3; center bifolium is a replacement or an addition); [1-30] ; modern foliation in pencil, upper right recto. Link to collation model at end of record.

Layout: Written in 25-26 lines; prickings visible on many leaves.

Script: Written in Gothic script.

Decoration: 7 astronomical diagrams in black and red ink (f. 10r, 12r, 12v, 25v, 28r, 28v, 29r), 2 astronomical diagrams in black ink (f. 29v, 30r), and 2 illustrations in red and black ink (f. 13r), all in second work; 2-line initial in red and blue with faded penwork extensions (f. 1r); 5-line divided initial in red (f. 9v); caption title (f. 1r) and marginal rubrics in first work (f. 1r-9v) in red, 2-line initials and paragraph marks throughout in red.

Binding: 20th-century morocco with gilt (rebound in 1997).

Origin: Written in Italy in the mid-13th century.

Local Notes:

Lawrence J. Schoenberg & Barbara Brizdle Manuscript Initiative.

Cited in:

Described in Transformation of knowledge: early manuscripts from the collection of Lawrence J. Schoenberg (London: Paul Holberton, 2006), p. 57-58 (LJS 26).

Cited as:

Joannes de Sacro Bosco, Algorismus; Tractatum de sphaera (LJS 26). Kislak Center for Special Collections, Rare Books and Manuscripts, University of Pennsylvania.

Contains:

Sacro Bosco, Joannes de, active 1230. Sphaera mundi.

Tractatus de sphaera.

OCLC:

759865435

Online:

The Lawrence J. Schoenberg and Barbara Brizdle Manuscript Initiative Fund Home Page

Collation model