1440

Undated memoranda.

Colours, formula,—Archimedes,—Marcantonio.

Tinned iron,—pierced iron.

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

Notebooks of Leonoardo da Vinci
XXII: Miscellaneous Notes.
. . .
1420,
1421,
1422,
1423,
1424,
1425,
1426,
1427,
1428,
1429,
1430,
1431,
1432,
1433,
1434
Undated memoranda.
1435,
1436,
1437,
1438,
1439,
1440,
1441,
1442,
1443,
1444,
1445,
1446,
1447,
1448,
1449,
1450,
1451,
1452,
1453,
1454,
1455,
1456,
1457
Notes on pupils.
1458,
1459,
1460
. . .