Old houses with razor blade slots

Old houses with razor blade slots medicine cabinet razor blade slot So it goes into the wall and inside of it Pretty durable little piece Anybody know what that's for? So that little slot is for straight razors When the medicine cabinet razor blade slot The old razor blades seem to be a result of small slots in some medicine cabinets common in homes built before the 1970s Before plastic,

medicine cabinet razor blade slot the empty medicine cabinet, the labeled razor slot, the taped-over hole through which I think razor blades were once visible

medicine cabinet with razor blade slot Medicine cabinets had a slot in the back to dispose of the blades that way This was done right up to and into the 1970's  With the improvement and invention of newer methods of shaving, and the installation of new medicine cabinets, the wall slots were often