If the link works, an one scrolls down the page, you'll run into some insightful information with respect to the 'caveats' of the Tiber well.
It supports the 'oil window', which no one appears to know anything about.
I can make a lot of 'word salad' about it, but I've learned my lesson about that.
https://wattsupwiththat.com/2019/04/...-the-internet/