Speculum Alchemiae Prague

Prague, in the now Czech Republic, was inundated by flood waters. Many people lost their lives. During reconstruction someone found something fascinating behind a collapsed wall in the basement. A laboratory with great historical and scientific significance.


It is believed to have been commissioned under the rule of Holy Roman Emperor Rudolf II. Himself a loyal devotee and practitioner of The Occult Sciences. Preoccupied with such, that historians believed that the political disasters under his reign led to the Thirty Years’ War. Rudolf II was a humanist, a botanist, a natural philosopher, a patron and collector of fine arts.


It has records dating back to 900 AD and is believed to be the second oldest building in Prague with underground tunnels that connected the three most important places in the city – Prague Castle, the Old Town Hall and Barracks.

It was curiously saved in the destruction of the Jewish Ghetto in Old Town Prague in the 19th century and is now a museum.

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