237

disappearance.

OF PAINTING.

You will observe in drawing that among the shadows some are of undistinguishable gradation and form, as is shown in the 3rd [proposition] which says: Rounded surfaces display as many degrees of light and shade as there are varieties of brightness and darkness reflected from the surrounding objects.

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

III * V
Notebooks of Leonoardo da Vinci
IV: Perspective of Disappearance.
. . .
Definition.
222,
223
An illustration by experiment.
224
A guiding rule.
225
An experiment.
226
On indistinctness at short distances.
227,
228,
229,
230,
231
On indistinctness at great distances.
232,
233,
234
disappearance.
235,
236,
237,
238,
239
objects.
240,
241,
242,
243,
244,
245,
246,
247,
248,
249
Propositions on perspective of disappearance from MS. C..
250,
251,
252,
253,
254,
255,
256,
257
. . .