I have never followed a ht chart , I do my ht in the evening . I want to explain why this is done at dusk ...... You can see the color and you will be able to see if the blade is fully heated
Absolutely they understood actions and reactions . I understand some ancient cultures considered Bladesmiths on the same level as the village witch doctor. Most thought they had some mystic links ! I guess if you had never seen a blade curve while quenching in water , you might think it was some blackmajic ....... It sure looks like majic . And beautiful at the same time .. Bubba
What industry do you work in, out of curiosity? Sounds interesting.
I think a lot of it just had to do with keeping trade secrets. They made stories up (and/or stories were made up about them), because they didn't want the competition to know what they were actually doing...