#math #books #history

#math #books #history

Ох, какое клёвое издание:

“The first six books of
the Elements of Euclid,
in which coloured diagrams and symbols
are used instead of letters for the
greater ease of learners”
(by Oliver Byrne)

https://archive.org/details/firstsixbooksofe00eucl

Internet Archive
The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .. : Euclid : Free Download, ..
His most innovative educational work was a version of 'Euclid's Elements' which used coloured graphic explanations of each geometric principle. It was...