The author, Nicholas Rougeux, has a number of projects with a similarly excellent curation of intellectual and visual beauty.

https://www.c82.net/

Is it just my phone or are all the "s"s and "f"s accidently mathematical notation on the first book.

There used to be two forms of letter s, long s when medial and short s when final, similar to the two forms of sigma in later Greek. The integral sign derived from this. https://en.wikipedia.org/wiki/Long_s

Ok, but why choose the outdated one for this? Or is it a mistake?

It's an old book:

https://upload.wikimedia.org/wikipedia/commons/c/cf/Title_pa...

I know it's an old book. I have several copies in multiple languages a couple of meters from where I'm sitting.

None of them have colored designs or interactive elements, so I really struggle to understand your point

Oliver Byrne’s 1847 edition of the elements did have colored designs [0]. This website features a digitization of Byrne’s book and defaults to the text as it appears in the original.

[0] https://maa.org/press/periodicals/convergence/mathematical-t...

> None of them have colored designs or interactive elements

Euclid didn't include interactivity? Seems like a bit of an oversight.

Anyway, that wasn't the question. Check out the S's on that cover.

It's a reproduction of Oliver Byrne's 1847 edition, which uses the long s.

https://en.wikipedia.org/w/index.php?title=File:First_six_bo...

Seems like a weird choice to make it colored, interactive etc. - presumably to maximize accessibility/digestibility by laymen - and then adopt an outdated typography choice for coherence with a 180 year old edition

The colors and the weird s were both from the 180 year old version. The interactivity is new. Here's the author's thoughts:

> Creating a faithful online reproduction of a book considered one of the most beautiful and unusual publications ever published is a daunting task. Byrne’s Euclid is my tribute to Oliver Byrne’s most celebrated publication from 1847 that illustrated the geometric principles established in Euclid’s original Elements from 300 BC.

> The long s (ſ) was common in older publications and is used throughout the book. Even though it’s commonly mistaken for the lowercase f, I felt reproducing it was also important to stay true to the original.

> I wanted to add interactivity to the diagrams to aid in understanding them because I had some trouble understanding some in the original book.

Here's lots more thoughts:

https://www.c82.net/blog/?id=79

You can change this by switching to Modern English in the navbar.

I have this book in print and that is my main complaint. It explains the typographical history and I get it…but it still makes it harder to read than necessary.

Publisher Kronecker Wallis sells an expanded edition of Byrne's opus which includes all thirteen books of Euclid's Elements. It also appears to be reset in a modern typeface.

<https://www.kroneckerwallis.com/product/euclids-elements-com...>