La Géométrie by René Descartes
= La Géométrie by René Descartes
{c}
{tag=Work by René Descartes}
{title2=1637 original; modern transcription}
Cited Book I on geometrical operations with a unit segment and Book II on <curves>. The linked transcription is a modern reproduction, not a claim to be a new printing of the 1637 edition.
Online source: https://www.gutenberg.org/files/26400/26400-pdf.pdf