{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0123.htm","path":"aor/dv/0123.htm","source_url":"https://sacred-texts.com/aor/dv/0123.htm","text":"The Da Vinci Notebooks\nOf the various kinds of shadows. (123-125).Darkness is absence of light. Shadow is diminution of light. Primitive shadow is that which is inseparable from a body not in the light. Derived shadow is that which is disengaged from a body in shadow and pervades the air. A cast transparent shadow is that which is surrounded by an illuminated surface. A simple shadow is one which receives no light from the luminous body which causes it. A simple shadow begins within the line which starts from the edge of the luminous body a b.","title":"Vol. I: III. Six Books on Light and Shade: 123.","type":"page"}
