Note 490 — Chapter II · The Lutheran Hymn-Book—The Book of Arithmetic—The Geometrical Instruments—The Mosaic Pavement—The Lute—The Seven Liberal Arts—The Silver Crucifix—Occult Science—Conclusion
Reading edition
Bayle’s “Dictionary,” ed. 1735, Art. Agrippa. The letters from which these passages are quoted were probably not published until a later date, but their purport appears to have formed the substance of that “Key” which Agrippa was in the habit of explaining to favoured persons.