The Hand of the Philosophers is an alchemical symbol first appearing in Isaac Holland’s Die Hand der Philosophen, 15th century. Each feature of the hand corresponds to a quality, element and/or ingredient of the alchemical process. The thumb features a crown & quarter moon and represents the chemical saltpetre, which Holland calls “The King & Lord of all salts.”
The index finger features the star with six points, the meaning of which is only available to initiated alchemists, and the salt Roman Vitriol. The middle features the Sun, and represents Sal ammoniac. Above the ring finger is a lantern, representing alum. The little finger represents both the lock and key of the “hand” as well as common salt. In the palm, the fish represents Mercury, and the fire is just fire.
Engraving from Speculum Sophicum Rhodostauroticum (“The Mirror of the Wisdom of the Rosy Cross”), 1618, an early manuscript on the esoteric order of Rosicrucianism by Theophilus Schweighardt Constantiens, a likely pseudonym of the alchemist, physician, and astronomer Daniel Mögling
Heavenly bodies are essential in alchemy, particularly the sun, moon, Venus, Mars, Mercury, Jupiter and Saturn. Symbols of these planets are common in alchemical art along with their Greek god counterparts, and the success of operations were sometimes tied to zodiacal time. Beyond times of the month, day and hour, these heavenly bodies also corresponded to metals, parts of the body, cardinal sins, and cardinal virtues. Images: Clavis artis, Zoroaster, 17th century and De naturae…historia, Robert Fludd, 1680
Ulrich Ruosch’s Alchemical Manual, 1680, is a pocket sized manuscript containing an overview of alchemy and the meaning of planets, numbers, letters, and elements. Alchemical implements, philosophy, and symbolism representing each stage of the process are also found inside.
Emblems from Sammlung unterschiedlicher bewährter chymischer Schriften, Johannes Isaac Holladus & Michael Sendivogius, 1746, including The Hand of the Philosophers and a Globus cruciger. Source: Embassy of the Free Mind
The title plate from Michael Maier’s Arcana Arcanissima, 1614. Above are three figures from the Egyptian myth of the dismemberment of Osiris by his brother Typhon, and reassembling by his sister Isis. The Greek gods Hercules and Dionysus flank the sides and below are the Egyptian mythological creatures of Ibis, Apis, and Cynocephalus.
Emblems from Sammlung Alchymistischer Schriften (Collection of Alchemical Writings), 18th Century. The different colors and symbolic images represent stages of the alchemical process, and the composition acts as a guide for the process as a whole. Source: John Rylands Library
Based on the work of Paracelsus, Robert Fludd devised an alchemical theory of creation wherein god separated the materials of the universe out of a chaotic prima materia, in the same way that an alchemist in a laboratory would do. These engravings from the History of the Two Worlds, 1617, illustrated his wild theories. Source: archive.org
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Title page of De Arte divina & sacra, sine Aenigmate tradita & del praxin conscripta by Anonymous, ca. 1700. At the top of the painting you can see the Greek God Hermes, representing the element Mercury, the peacock representing the end of the Nigredo stage, and the element of air, represented by the faces blowing. From Manly P. Hall’s collection of alchemical manuscripts Box 3, MS 14