This WAS a 1953 Chevy Pickup Windshield that I used in classes to teach how to do sub-surface glass polishing, which is removing scratches out of glass. It was broken, either by accident or on purpose by a person I know but will remain unnamed.
This is the guy I gave the BRAND NEW (first tool in the United States), FLEX PXE-80 polisher. He wanted to be a car detailer and after watching him struggle to hold any normal size polisher, I have him the Number #1 FLEX PXE-80 Joel