New in the 1960s was the Viewmaster - a 3D slide viewer. One of the best selling reels (packs of pictures) depicted the …

Vintage View-Masters and Reels

The View-Master thread - Page 2

Vintage View Master, 10 Reels, 3D Photo Slide Viewer, Ephemera, Portland Oregon, Red Viewer

View Master 3d Slide Projector

The View-Master Database

Vintage View Master 1950s 3-D Model E & 4 Sets Of Reels 3 Reels In Each Set

Vintage View-Master reels & viewers: See dozens of the classic toys that made color pictures come to life - Click Americana

Google launches virtual reality device that works with a smartphone

Vintage View Master 1950s 3-D Model E & 4 Sets Of Reels 3 Reels In Each Set

What was the popular kids toy during the 1960s that was called a 'view master' and how did it work? - Quora

From Stereographs to Souvenir Shops: OHS's View-Master Collection

The View-Master thread - Page 2

View-Master history and value - Antique Trader

View-Master - Wikipedia