Can you repost the link? For some reason the first one does not work for me.?.?
I looked it up again in duckduckgo.com
Memoirs of Extraordinary Popular Delusions and the Madness of Crowds
https://www.gutenberg.org/files/24518/24518-h/24518-h.htm
(this works, but has an odd ending and that may be an issue with your browser.)
Another version: https://www.gutenberg.org/files/636/636-h/636-h.htm
more options: https://www.gutenberg.org/ebooks/24518