Leonardo, da Vinci, 1452-1519 · London : Pinted for J. Senex ... and W. Taylor ... · leaf 242
he Sun; we having elfewhere proved, that noluminous Body has ever feen the Shadow of anyBody illuminated by it-, Tis Obvious, that theShadow of the Heavens, projected on the\Vhite Wall, will appear Azure; and further,that the Ground of that Shadow, being illuminedby the Sun, will appear Recldifh,… … lBy Leonardo da Vino. \6j fcen in any other part of the Painting: Thefame tiling may be obferved of Dull, Fog, andother like Bodies-, which ought always to appearobfenre, when you arc placed between them andthe Sun. Smoke is more tranfparcnt, and of a Colourlefs deep towards the Extremes of its…
Painting
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