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Collection ID: 0001 | Metadata type: TEI | TEI XML | Data

LJS 462 Algorismus ... etc.


Algorismus ... etc.


Other related names

Call number

LJS 462
(3420 Walnut Street, Philadelphia, Pennsylvania 19104-6206., University of Pennsylvania, Kislak Center for Special Collections, Rare Books and Manuscripts)

Alternate identifiers


University of Pennsylvania




Written in Spain in the first half of the 14th century.
between 1300 and 1350


Didactic poem in 284 lines of hexameter concerning integers (including, for the first time in Latin, zero) and their operations. Followed by an anonymous treatise in verse on the calendar, focusing on establishing feast and fast days, including discussion of solar and lunar movement. Later astronomical notes on star clusters added at the end of the manuscript (f. 14v).



14 leaves : 230 x 149 (158 x 93) mm. bound to 236 x 159 mm


Parchment, iii (17th- or 18th-century paper and card) + 14 + iii (17th- or 18th-century paper and card); [1-14], modern foliation in ink, upper right recto.




18th-century English parchment spine and marbled paper over boards; spine title in ink, Algorithm & memorial verses MS.


  • Written in 20 long lines; ruled in faint ink with vertical bounding lines. Prickings visible on most leaves.
  • Decoration

    16 2-line initials, alternating between red with purple flourishing and blue with red flourishing; paragraph marks alternating between red and blue; rubrication in red; first initial of each line touched in red.


  • Written in Iberian Gothic script, with notes added at the end in a later English hand, ca. 1500.
  • Provenance

    Subjects topical




    Table of contents



    Front cover
    0026_0000.tif (35.4 MB)
    0026_0000_thumb.jpg (5.8 KB)
    0026_0000_web.jpg (429.0 KB)

    Inside front cover
    0026_0001.tif (35.4 MB)
    0026_0001_thumb.jpg (3.1 KB)
    0026_0001_web.jpg (203.6 KB)

    Flyleaf 1 recto
    0026_0002.tif (35.4 MB)
    0026_0002_thumb.jpg (2.7 KB)
    0026_0002_web.jpg (199.9 KB)

    Flyleaf 1 verso
    0026_0003.tif (35.4 MB)
    0026_0003_thumb.jpg (2.6 KB)
    0026_0003_web.jpg (197.2 KB)

    Flyleaf 2 recto
    0026_0004.tif (35.4 MB)
    0026_0004_thumb.jpg (2.7 KB)
    0026_0004_web.jpg (199.6 KB)

    Flyleaf 2 verso
    0026_0005.tif (35.4 MB)
    0026_0005_thumb.jpg (2.5 KB)
    0026_0005_web.jpg (167.2 KB)

    Flyleaf 3 recto
    0026_0006.tif (35.4 MB)
    0026_0006_thumb.jpg (2.4 KB)
    0026_0006_web.jpg (168.1 KB)

    Flyleaf 3 verso
    0026_0007.tif (35.4 MB)
    0026_0007_thumb.jpg (2.6 KB)
    0026_0007_web.jpg (169.9 KB)

    fol. 1r
    0026_0008.tif (35.4 MB)
    0026_0008_thumb.jpg (5.2 KB)
    0026_0008_web.jpg (264.6 KB)
    Section: Algorismus, f. 1r
    Decoration: Decorated initial, Initial H, f. 1r

    fol. 1v
    0026_0009.tif (35.4 MB)
    0026_0009_thumb.jpg (5.2 KB)
    0026_0009_web.jpg (300.3 KB)
    Decoration: Decorated initial, Initial A, f. 1v

    fol. 2r
    0026_0010.tif (35.4 MB)
    0026_0010_thumb.jpg (5.3 KB)
    0026_0010_web.jpg (311.9 KB)
    Decoration: Decorated initial, Initial A, f. 2r

    fol. 2v
    0026_0011.tif (35.4 MB)
    0026_0011_thumb.jpg (5.3 KB)
    0026_0011_web.jpg (278.0 KB)
    Decoration: Decorated initial, Initial S, f. 2v

    fol. 3r
    0026_0012.tif (35.4 MB)
    0026_0012_thumb.jpg (5.4 KB)
    0026_0012_web.jpg (278.4 KB)
    Decoration: Decorated initial, Initial I, f. 3r

    fol. 3v
    0026_0013.tif (35.4 MB)
    0026_0013_thumb.jpg (5.4 KB)
    0026_0013_web.jpg (316.9 KB)
    Decoration: Decorated initial, Initial S, f. 3v

    fol. 4r
    0026_0014.tif (35.4 MB)
    0026_0014_thumb.jpg (5.4 KB)
    0026_0014_web.jpg (306.1 KB)
    Decoration: Decorated initial, Initial S, f. 4r

    fol. 4v
    0026_0015.tif (35.4 MB)
    0026_0015_thumb.jpg (5.5 KB)
    0026_0015_web.jpg (268.4 KB)

    fol. 5r
    0026_0016.tif (35.4 MB)
    0026_0016_thumb.jpg (5.4 KB)
    0026_0016_web.jpg (271.5 KB)
    Decoration: Decorated initial, Initial C, f. 5r

    fol. 5v
    0026_0017.tif (35.4 MB)
    0026_0017_thumb.jpg (5.2 KB)
    0026_0017_web.jpg (307.8 KB)

    fol. 6r
    0026_0018.tif (35.4 MB)
    0026_0018_thumb.jpg (5.4 KB)
    0026_0018_web.jpg (306.9 KB)

    fol. 6v
    0026_0019.tif (35.4 MB)
    0026_0019_thumb.jpg (5.3 KB)
    0026_0019_web.jpg (267.5 KB)
    Decoration: Decorated initial, Initial P, f. 6v

    fol. 7r
    0026_0020.tif (35.4 MB)
    0026_0020_thumb.jpg (5.5 KB)
    0026_0020_web.jpg (259.0 KB)

    fol. 7v
    0026_0021.tif (35.4 MB)
    0026_0021_thumb.jpg (5.3 KB)
    0026_0021_web.jpg (298.6 KB)

    fol. 8r
    0026_0022.tif (35.4 MB)
    0026_0022_thumb.jpg (5.1 KB)
    0026_0022_web.jpg (305.1 KB)
    Decoration: Decorated initial, Initial S, f. 8r

    fol. 8v
    0026_0023.tif (35.4 MB)
    0026_0023_thumb.jpg (5.7 KB)
    0026_0023_web.jpg (291.6 KB)
    Section: Compotus manualis, f. 8v
    Decoration: Decorated initial, Initial C, f. 8v

    fol. 9r
    0026_0024.tif (35.4 MB)
    0026_0024_thumb.jpg (5.5 KB)
    0026_0024_web.jpg (284.7 KB)
    Decoration: Decorated initial, Initial U, f. 9r
    Decoration: Decorated initial, Initial S, f. 9r

    fol. 9v
    0026_0025.tif (35.4 MB)
    0026_0025_thumb.jpg (5.4 KB)
    0026_0025_web.jpg (305.3 KB)

    fol. 10r
    0026_0026.tif (35.4 MB)
    0026_0026_thumb.jpg (5.3 KB)
    0026_0026_web.jpg (309.0 KB)

    fol. 10v
    0026_0027.tif (35.4 MB)
    0026_0027_thumb.jpg (5.3 KB)
    0026_0027_web.jpg (268.8 KB)

    fol. 11r
    0026_0028.tif (35.4 MB)
    0026_0028_thumb.jpg (5.7 KB)
    0026_0028_web.jpg (282.6 KB)

    fol. 11v
    0026_0029.tif (35.4 MB)
    0026_0029_thumb.jpg (5.4 KB)
    0026_0029_web.jpg (329.3 KB)

    fol. 12r
    0026_0030.tif (35.4 MB)
    0026_0030_thumb.jpg (5.3 KB)
    0026_0030_web.jpg (327.6 KB)

    fol. 12v
    0026_0031.tif (35.4 MB)
    0026_0031_thumb.jpg (5.2 KB)
    0026_0031_web.jpg (273.6 KB)
    Decoration: Decorated initial, Initial P, f. 12v

    fol. 13r
    0026_0032.tif (35.4 MB)
    0026_0032_thumb.jpg (5.4 KB)
    0026_0032_web.jpg (253.5 KB)

    fol. 13v
    0026_0033.tif (35.4 MB)
    0026_0033_thumb.jpg (5.5 KB)
    0026_0033_web.jpg (315.2 KB)
    Decoration: Decorated initial, Initial U, f. 13v

    fol. 14r
    0026_0034.tif (35.4 MB)
    0026_0034_thumb.jpg (5.5 KB)
    0026_0034_web.jpg (314.4 KB)

    fol. 14v
    0026_0035.tif (35.4 MB)
    0026_0035_thumb.jpg (3.8 KB)
    0026_0035_web.jpg (258.4 KB)

    Flyleaf 1 recto
    0026_0036.tif (35.4 MB)
    0026_0036_thumb.jpg (2.6 KB)
    0026_0036_web.jpg (163.9 KB)

    Flyleaf 1 verso
    0026_0037.tif (35.4 MB)
    0026_0037_thumb.jpg (2.5 KB)
    0026_0037_web.jpg (170.6 KB)

    Flyleaf 2 recto
    0026_0038.tif (35.4 MB)
    0026_0038_thumb.jpg (2.6 KB)
    0026_0038_web.jpg (183.1 KB)

    Flyleaf 2 verso
    0026_0039.tif (35.4 MB)
    0026_0039_thumb.jpg (2.7 KB)
    0026_0039_web.jpg (204.8 KB)

    Flyleaf 3 recto
    0026_0040.tif (35.4 MB)
    0026_0040_thumb.jpg (2.6 KB)
    0026_0040_web.jpg (196.7 KB)

    Flyleaf 3 verso
    0026_0041.tif (35.4 MB)
    0026_0041_thumb.jpg (2.6 KB)
    0026_0041_web.jpg (201.8 KB)

    Inside back cover
    0026_0042.tif (35.4 MB)
    0026_0042_thumb.jpg (3.1 KB)
    0026_0042_web.jpg (305.9 KB)

    Back cover
    0026_0043.tif (35.4 MB)
    0026_0043_thumb.jpg (6.2 KB)
    0026_0043_web.jpg (414.3 KB)

    0026_0044.tif (5.8 MB)
    0026_0044_thumb.jpg (1.5 KB)
    0026_0044_web.jpg (37.9 KB)