Comment by BobbyTables2 3 days ago Didn’t realize plexiglass existed in the 1930s! 1 comment BobbyTables2 Reply jccalhoun 3 days ago Wikipedia says it was first marketed only 3 years earlier so it was pretty new https://en.wikipedia.org/wiki/Poly(methyl_methacrylate)
jccalhoun 3 days ago Wikipedia says it was first marketed only 3 years earlier so it was pretty new https://en.wikipedia.org/wiki/Poly(methyl_methacrylate)
Wikipedia says it was first marketed only 3 years earlier so it was pretty new https://en.wikipedia.org/wiki/Poly(methyl_methacrylate)