Needs better sourcing, but

Henry Dreyfuss added crinkle paint to his Royal Quiet De Luxe typewriter design to diffuse reflected light so that typists who worked at their machines all day wouldn't have headaches from the glare reflecting off the fronts of their machines.

‘No one wanted to read’ his book on pandemic psychology – then Covid hit. (2021, August 19). The Guardian. http://www.theguardian.com/us-news/2021/aug/19/book-psychology-pandemics-steven-taylor