Axial Commons Image Treasury
Printed page with an engraved diagram of an egg-shaped stone, whole above and split into two halves below, labeled A to D.

Philosophia Moysaica, Fol. 131: egg-shaped stone diagram

A printed page from Robert Fludd's Philosophia Moysaica shows an engraved diagram of an egg-shaped stone, drawn whole above and split into two halves below, labeled A, B, C and D with hatched shading. The heading reads 'Demonstratio à lapidis Magnetici proprietate derivata' and the page is marked Fol. 131.

Artist
Robert Fludd
Date
1638
Medium
Source
Wellcome Collection
Size
4000 × 3341 px
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Public domain · Wellcome Collection marks it Public Domain Mark; made by 1638.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)

Credit (appreciated, not required for public-domain works): Wellcome Collection