[258] Duhem (1915) 205.
[259] Merton College 324, 15th century, but with such early works as that of Marbod, fol. 142, Secretissimum regis Cateni Persarum de virtute aquilae, “Est enim aquila rex omnium avium. ... / ... Explicit iste tractatus a magistro Willelmo Anglico de lingua Arabica in Latinum translatus.” One wonders if it is a fragment of Kiranides.
[260] See below, pp. 206, 211.
APPENDIX I
SOME MEDIEVAL JOHNS, MENTIONED IN THE MANUSCRIPTS, IN THE FIELDS OF NATURAL AND OCCULT SCIENCE, MATHEMATICS, AND MEDICINE
Johannes Anglicus: see John of Montpellier.
Johannes Archangel: Additional 22773, 13th century, fol. 45, “Tabule Johannis Archangeli” astronomiae; said to be the same as Johannes Campanus.
Johannes de Beltone, Sloane 314, 15th century, fol. 106, Experimentum de re astrologica bonum (imperfect).
Johannes Blanchinus, BN 7268, Distinctiones in Ptolemaei almagestum; BN 7269, 7270, 7271, 7286, Tabulae astronomicae; BN 7270, 7271, de primo mobili; Perugia 1004, 15th century, “Tractatus primus de arithmetricha per Johannem de Blanchinis.... Regule conclusionum ad practicam algebre in simplicibus.... Tractatus florum Almagesti.” Professor Karpinski informs me that the Flores Almagesti of Giovanni Bianchini was discussed by L. Birkenmajer in Bull. d. l’Acad. d. Sciences de Cracovie, 1911.
Johannes Bonia, Valentinus, BN 7416A, translated Fachy, Sex genera instrumentorum sive Canones Quadrantis universalis; see Steinschneider (1905) p. 39.