Seven metals, ringed with four magical inscriptions: what other secrets does the 'Alchemical Hand Bell' hold?

Habsburg emperor Rudolf II owned a spirit-summoning alchemical hand bell. We want to decipher its cryptic Greek inscriptions.

Understanding Alchemy — The Magnum Opus

Cryptography – News, Research and Analysis – The Conversation – page 1

Goethe University Frankfurt am Main on The Conversation

Shorts Drew Chial

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