Offered is the 3-Position Switchboard Switch by Western Electric.  This one is marked ES3535.  The switch is clean overall.  It has clean wiring lugs, 18 in all.  It is a 3-position type with center and one end which stay in place and the third is a momentary contact-it springs back to the center by design.  Pick up the early switch for your own work.  It could be used for all kinds of projects. (2) mounting screws included.  Mouse over the images to zoom in. NO RESERVE!! Thanks for looking.