A Lightbox from an old hardware store that sold paint. Chi-Namel Paint & Varnish Company. I’ve had this weird antique/vintage Lightbox that I picked up at the auction sale at Mischell Lumber in Richardton, ND.

This is the “original” browse and match for color inspiration.

Contained in a compartment at the back of the unit are large transparencies for color and decor ideas for different rooms. 

The Lightbox works and illuminates the color transparencies.
This is a neat walk through interior decoration from the 50s and 60s.

CHI-NAMEL Paints and Varnish was founded in Cleveland, Oh

I haven't found anything like this Lightbox anywhere. This is a unique find.

I made a video of it here https://youtu.be/SCnmKJM8Ahg