No, I am saying we need to get Ian's later work to a larger audience.
My laws of glass research. :-)
Worst Sources that must be corroborated elsewhere:
1. Colleagues at the factory - each will tell you a different story of the same event.
2. Company PR material - no surprises.
3. First hand account by the glass-maker concerned.
A 4th would be a good technical editor who red-lines all the 'assumptions' that inevitably creep-in. A chilling experience when it first happens to you :spls: as your draft looks like a lip-stick tester

But what gets published is probably as close to the truth that you will get at the time of publishing. The next day it all gets trashed again :huh:
But keep plugging away you are getting some good data together. :thup: