Look at this shit (first paragraph of body of article):
"Automatic watches are admired for their intricate mechanics and timeless appeal, but even the finest timepieces can sometimes run fast or slow. If you’ve noticed your automatic watch gaining or losing time, you’re not."
First search result on DDG. Thank you, automatic watch expert and real person Hnin Oo Thazin. We may need a whole ass new internet.
https://mtscwatch.com/blog/why-your-automatic-watch-runs-fast-or-slow-and-how-to-fix-it
The problem with old old recipes is they haven't been tested probably uh, ever. Ball/Kerr has a good website with tested recipes, as does the National Center for Home Food Preservation, which are the two sites I know are considered safe (well I consider safe??).
That book is very very cool in the "Damn I love old books" way though!