Bakelite

In 1907 bakelite was discovered. A new material made of the synthetic components: phenol formaldehyde resin and wood flour. As such the first artificial material / the first plastic. The industry adapted bakelite after WW2 in all kind of applications for its heat resistance, non conductivity, good mechanical strengths and all kind of outlines / shapes were possible. After the steel square shapes, bakelite was giving the calculators a round and modernized outlook.