1442

Undated memoranda.

The first book is by Michele di Francesco Nabini; it treats on science.

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

Notebooks of Leonoardo da Vinci

XXII: Miscellaneous Notes.

. . .

1422,

1423,

1424,

1425,

1426,

1427,

1428,

1429,

1430,

1431,

1432,

1433,

Undated memoranda.

1435,

1436,

1437,

1438,

1439,

1440,

1441,

1442,

1443,

1444,

1445,

1446,

1447,

1448,

1449,

1450,

1451,

1452,

1453,

1454,

1455,

1456,

Notes on pupils.

1458,

1459,

1460,

1461,

. . .