Awesome piece of history from hyperallergic.
The first book to illustrate a pencil was published in the 16th century, and its author was more interested in the properties of the lead than the implement itself. On Fossil Objects (De Rerum Fossilium Lapidum et Gemmarum Maxime, Figuris et Similitudinibus Liber) (1565) by Conrad Gessner was also the first book to systematically illustrate fossils, with basic woodblocks of ammonites and crinoids accompanying his Latin text.
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