This is Nikon PS-5 slide duplicator adapted with some modification to be used with Arca Swiss rail system 
Package was built and use to duplicate slide and film negatives base on digital book by Peter Krogh at thedambook.com/dyp/
and you can see movie how to use it for slide and film copying ideas here: thedambook.com/rail-system-copying-film-dyp-movie-week/
In short, this system will let you convert slides and film negatives into digital files for archiving purposes. 

Package include: 
Nikon Duplicator PS-5 and it was modified to accept Arca Type rail
3 Hejnar Photo Arca type 1.5-inch clamps 
One 12-inch Hejnar Photo Rail 
One Hejnar Photo Arca Type rail for PS-5 Mount

All items are new never used except Nikon PS-5 

Camera, Lens, Tripod and Ball head are not included in this auction