Slot in the bottom of a razor blade box

Vtg Mid Century Etched Mirror Recessed Medicine Chest Razor medicine cabinet razor blade slot But the one amenity that was always included, was a slot in the bathroom wall or inside the medicine cabinet that proclaimed “Deposit used medicine cabinet razor slot If a recessed cabinet is so old that it has a razor-blade slot, be cautious when pulling it away from the wall since there may be dozens of razor blades 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