I always liked those old fashoned push button switches, My Grandparents place had quite a few of them still left, but only one that I can remember had the mother of pearl insert in the "ON" button, which by convention in those days was the lower button, at least around here it was...
Just amazes me how equipment manufactured in those days was built to last, with some of it still in use today, and in as good a shape as it was installed. Yet, with equipment manufactured these days, you are lucky if you get a few years out of it before it wears out or burns up...

A.D