18. Stereoscopes
Stereoscopes were popular Victorian devices that brought images to life by merging two photographs into a single, three-dimensional scene. Families and friends marveled at the illusion of depth, making stereoscopes an entertaining—and sometimes educational—parlor pastime. Though simple by today’s standards, these early 3D viewers were the forerunners of modern virtual reality and immersive photography. Their enduring appeal reminds us that the fascination with “realistic” images is nothing new, just more high-tech in the digital age.
