23h 30min, dec 31, 1936 y - Acrylic/ Polymethyl Methacrylate
Description:
A chemical compound, the formula is (C5O2H8)n. A transparent stiff plastic, this is often used a substitute for glass.Added to timeline:
Date:
23h 30min, dec 31, 1936 y
Now
~ 89 years ago