On Tue, 11 Apr 2017 07:38:09 -0700 (PDT), Quadibloc
wrote:
Incidentally, this inspired me to look up information about the
balance spring
of a watch. I found only one page, and that in Swedish, which gave
the
information that the alloy Anibal was a steel alloy with 44.4%
nickel.

Do you still have the URL to that web page? I'd like to read it.