When all the instruments belonging to the Art have been properly consecrated and exorcised, they must be gathered into a costly cloth of silk, as Solomon ordains-says the testament whereby they may be preserved clean and pure and may thus be more efficacious. So it be not black or brown, the colour is indifferent, but the following characters must be written upon it in pigeon's blood with the male goose-quill proper to the Art.
169:1 This process is adapted from the Key of Solomon, Book ii. c. 20. There, however, the use of blood is omitted. 169:2 Psalm viii. and Psalm lxxi. in the Vulgate, together with the Canticle of Simeon.
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