Detail from a plate illustrating electricty. The cyclopaedia; or, Universal dictionary of arts, sciences, and literature. Plates. 1820.
Internet Archive

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Detail from a plate illustrating electricty. The cyclopaedia; or, Universal dictionary of arts, sciences, and literature. Plates. 1820.
Internet Archive
Fig. 6. Sketch for the reconstruction of a dinosaur. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin. 1912.
Fig, 5 & Fig. 6. The deadly harlequin snake is mimicked by the harmless scarlet snake. Beginner's zoology. 1922.