Viewmaster may need new light, not sure how it works every included in pictures

This is a vintage collection of 33 View-Master reels produced in 1959. The reels feature various subjects such as tourism, landscapes, cartoons, and cityscapes. They are made of glass, cardboard, paper, plastic, metal, and celluloid and are in their original form. The reels are designed for stereoscopic viewing and are in 3D. The production technique used is Autochrome. This is a unique and rare collection for collectors of vintage stereoscopic images.