home.aspx
 
. https://www.musictech.net/features/trends/virtual-reality-history/
blog article
THE HISTORY OF VIRTUAL REALITY
The know-how to create stereoscopic –  ie, three-dimensional – imagery has been around since the advent of photography, as even then, it had long been known that our visual perception of depth and distance is derived from differences in what each eye sees due to their separation – an effect known as parallax. Early photography pioneers had recognised that a double-lens camera would allow them to capture an image that would. READ MORE