{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0115.htm","path":"aor/dv/0115.htm","source_url":"https://sacred-texts.com/aor/dv/0115.htm","text":"The Da Vinci Notebooks\nAs regards all visible objects 3 things must be considered. These are the position of the eye which sees: that of the object seen [with regard] to the light, and the position of the light which illuminates the object, b is the eye, a the object seen, c the light, a is the eye, b the illuminating body, c is the illuminated object.","title":"Vol. I: III. Six Books on Light and Shade: 115.","type":"page"}