/ · The Notebooks of Leonardo da Vinci

170

On the shape of derived shadows.

The shadow m bears the same proportion to the shadow n as the line b c to the line f c.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

169 * 171
II * IV
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Notebooks of Leonoardo da Vinci
III: Six books on Light and Shade.
. . .
light.
150,
151,
152
On the proportion of light and shade.
153,
154,
155,
156,
157
Definition of derived shadow.
158,
159
Different sorts of derived shadows.
160,
161,
162
On the relation of derived and primary shadow.
163,
164,
165
On the shape of derived shadows.
166,
167,
168,
169,
170,
171,
172,
173,
174
On the relative intensity of derived shadows.
175,
176,
177,
178,
179
Shadow as produced by two lights of different size.
180,
181
The effect of light at different distances.
182
Further complications in the derived shadows.
183,
184,
185,
186,
187
On the shape of the cast shadows.
188,
189,
190
. . .