1812 - Franz Roubaud: Battle of Borodino, Panoramic painting [img: http://s9.drugiegoroda.ru/]
1838 - Charles Wheatstone’s research: Brain processes the different two-dimensional images from each eye into a single object of three dimensions.
[img: http://www.vrs.org.uk/]
1838 - Charles Wheatstone: Mirror Stereoscope [img: http://wikimedia.org]
1849 - David Brewster : The lenticular stereoscope, origin of HMD [Head Mounted Display] ****
[img: http://wikimedia.org]