[2610] E. Wiedemann in Journal f. praktische Chemie, 1907, p. 73, et seq.; cited by Lippmann (1919) p. 399.

[2611] Bridges, Opus Maius, I, 262, note.

[2612] Steinschneider (1905), p. 47.

[2613] HL 21, 499-503.

[2614] Spec. astron. cap. 6. He gives the Incipit of the Experiments of Albumasar as “Scito horam introitus” which serves to identify it with the following:

Amplon. Quarto 365, 12th century, fols. 1-18, liber experimentorum.

Ashmole 369-V, 13th century, fols. 103-23v, “ ... incipit liber in revolutione annorum mundi. Perfectus est liber experimentorum....”

Ashmole 393, 15th century, fol. 95v, “Item Albumasar de revolutionibus annorum mundi sive de experimentis....”

BN 16204, 13th century, pp. 302-333, “Revolutio annorum mundi.... Perfectus est liber experimentorum Albumasar....”

Arsenal 880, 15th century, fol. 1-.