Each of the four buttons has a round brass plate held on by a cotter pin and each has a washer between the brass disc and the iron body. SO, I DON'T KNOW FOR CERTAIN WHAT THIS IS. I am also assuming that it was originally used in a freight car.
The Vintage NORTHERN PACIFIC RAILROAD Freight Car Train Push Button Door Control is a suitable product for train or railroad enthusiasts who desire precise and authentic control over the interior doors of their model trains or layouts.
