![Wooden stereo viewing device, late 19th century.](https://blog.nationalmuseum.ch/app/uploads/Stereo-titel-300x225.jpg)
3D in the 19th century
Stereoscopics, the three-dimensional depiction of two-dimensional images, captivated viewers across the globe in the 19th century. And the phenomenon helped to cement Switzerland’s status as a highly desirable tourist destination.
![ViewMasters and discs like these were hugely popular in the 1960s and 1970s.](https://blog.nationalmuseum.ch/app/uploads/view-master-300x279.jpg)
![ViewMasters and discs like these were hugely popular in the 1960s and 1970s.](https://blog.nationalmuseum.ch/app/uploads/disk-300x300.jpg)
ViewMasters and discs like these were hugely popular in the 1960s and 1970s. Wikimedia
![Portrait of Charles Wheatstone.](https://blog.nationalmuseum.ch/app/uploads/charles-wheatstone-240x300.jpg)
Global mass medium
![A woman admires a Valais glacier, around 1865.](https://blog.nationalmuseum.ch/app/uploads/gletscher-1-300x150.jpg)
![Train in the Lauterbrunnen Valley, around 1910.](https://blog.nationalmuseum.ch/app/uploads/eisenbahn-1-300x151.jpg)