{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0140.htm","path":"aor/dv/0140.htm","source_url":"https://sacred-texts.com/aor/dv/0140.htm","text":"The Da Vinci Notebooks\nEvery body in light and shade is situated between 2 pyramids one dark and the other luminous, one is visible the other is not. But this only happens when the light enters by a window. Supposing a b to be the window and r the body in light and shade, the light to the right hand z will pass the object to the left and go on to p; the light to the left at k will pass to the right of the object at i and\ngo on to m and the two lines will intersect at c and form a pyramid. Then again a b falls on the shaded body at i g and forms a pyramid f i g. f will be dark because the light a b can never fall there; i g c will be illuminated because the light falls upon it.","title":"Vol. I: III. Six Books on Light and Shade: 140.","type":"page"}