An examination of Dr. Burnet's Theory of the earth ; Some remarks on Whiston's [New] theory of the earth
John Keill's 1698 scientific treatise examines and critiques contemporary theories of the earth, drawing on natural philosophy, mechanics and astronomy for an educated readership. The single picture is a plain pen-and-ink diagram of a cylindrical vessel with parallel lines, hatched with dense curved strokes, suggesting a designer might borrow its diagrammatic, hand-drawn cross-hatching for scientific or geological motifs.
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