File:Alchemy-Digby-RareSecrets.png

Summary
Extract and symbol key from an alchemical text - Kenelm Digby A Choice Collection of Rare Secrets (1682)

The image is a combination of two scanned portions of the book Wing_D1426 from Early English Books Online

Source: http://www.lib.umich.edu/tcp/docs//dox/alchem.html (by ).