1953 Sawyers Viewmaster 3D Viewer includes 3 reels. WORKS

National Museum of American History

Tru-Vue - Wikiwand

Sawyers View Master - Canada

view master in All Categories in Winnipeg - Kijiji Canada

3D Blu-ray Review - 3-D Rarities: THE HTF 3D ADDICT REVIEW

Tru-Vue and View-Master, ACMI collection

View-Master 3D viewer, Sawyer (1939-)

Viewmaster hi-res stock photography and images - Alamy

View Master - Poshmark

Vintage View Master with 20 Reels – Duckwells

The View-Master thread - Page 2