Optics: a soap bubble exhibiting interference colours. Coloured mezzotint [?] by M. Rapine, n.d. [c. 1883] after B. Desgoffe.

Lettering: La bulle de savon phenomenes d'interference anneaux colores dans les lames minces ; B. Desgoffe pinxt. ; M. Rapine sc.

In het Louvre
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White bryony (Bryonia dioica): flowering plant. Woodcut.
Saint George fighting the dragon: anamorphic representation. Engraving by J. Harris after …