Year: 2015

Clavis Artis, Zoroaster

Zoroaster’s Clavis Artis, a mysterious alchemical manuscript

Clavis Artis is the title of an alchemical manuscript published in Germany in three volumes in the late 17th or early 18th century, attributed to Zoroaster (Zarathustra). It features numerous watercolor illustrations depicting alchemical images, as well as pen drawings of laboratory instruments. Three copies of the manuscript are known to exist, one at the Biblioteca […]

A naturalist's rambles on the Devonshire coast, Philip Henry Gose, London: John Van Voorst, 1853

“A naturalist’s rambles on the Devonshire coast”

These illustrations are from a book by Philip Henry Gosse (1810–1888), the literal inventor of the (saltwater) aquarium. The book, titled A naturalist’s rambles on the Devonshire coast, is available for download at the Biodiversity Heritage Library. It was published in London in 1853. Source: Biodiversity Heritage Library / BioDiv Flickr License: CC BY 2.0

Robert Fludd's "Utriusque Cosmi...", 1617–24

Robert Fludd’s “Utriusque Cosmi…”, 1617–24

Robert Fludd (1574-1637) was an English physician, astrologer, mathematician, and mystic. His opus magnum, Utriusque cosmi maioris scilicet et minoris metaphysica, physica atqve technica historia, was published in two volumes between 1617 and 1624. The encyclopedic book covers different subjects such as optics, music, perspective drawing, engineering, as well as Rosicrucianist themes, theosophy and the Qabalah. Read more […]

NASA: Butterfly Emerges from Stellar Demise in Planetary Nebula NGC 6302

I HEART HUBBLE: Stellar Demise

“Butterfly Emerges from Stellar Demise in Planetary Nebula NGC 6302”: This celestial object looks like a delicate butterfly. But it is far from serene. What resemble dainty butterfly wings are actually roiling cauldrons of gas heated to more than 36,000 degrees Fahrenheit. The gas is tearing across space at more than 600,000 miles an hour—fast […]