Can you imagine that the 3D technology that exists in every modern movie theater started from photographs in the 1800s?
Stereoscopy evolved in Victorian England. It was a really popular form of entertainment back then.
Brian May is the guitarist of legendary rock band Queen. He has collected these types of images for 40 years.
See how this technology evolved from taking photographs of scenes from paintings, and then converting them to 3D images with special glasses.
This is the way it was done way back. With the technology of the time, it is very impressive.