650

On chemical materials.

FIRE.

Take away that yellow surface which covers oranges and distill them in an alembic, until the distillation may be said to be perfect.

FIRE.

Close a room tightly and have a brasier of brass or iron with fire in it and sprinkle on it two pints of aqua vitae, a little at a time, so that it may be converted into smoke. Then make some one come in with a light and suddenly you will see the room in a blaze like a flash of lightning, and it will do no harm to any one.

VII.

PHILOSOPHY AND HISTORY OF THE ART OF PAINTING.

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

VII * X
Notebooks of Leonoardo da Vinci
VIII: Botany for Painters and Elements of Landscape Painting.
. . .
630,
631,
632,
633,
634
On varnishes [or powders].
635,
636,
637
On chemical materials.
638,
639,
640,
641,
642,
643,
644,
645,
646,
647,
648,
649,
650
The relation of art and nature.
651,
652
Painting is superior to poetry.
653,
654
Painting is superior to sculpture.
655,
656
Aphorisms.
657,
658,
659
On the history of painting.
660,
661
The painter’s scope.
662
. . .