Squaring the oval solid; a note on Aristotle
A circle within a cube and an oval within a parallelepiped, with a book memorandum
Leonardo heads this page 'the squaring of the oval body', accompanying a solid-geometry study in which a circle is set within a cube and an oval within a parallelepiped. Written upside down in pencil is a separate reminder to consult 'On the Rising of the Nile', described as a small work by Aristotle.
On this page
Quadrature of the oval solid
The page is titled the squaring of the oval body, framed by figures in which a circle is inscribed in a cube and an oval in a parallelepiped. The note belongs to Leonardo's efforts to measure curved solids.
Memorandum: Aristotle's 'On the Rising of the Nile'
A reminder written upside down in pencil records a book to seek out: 'On the Rising of the Nile', called a small work by Aristotle.