| http://www.w3.org/ns/prov#value | - patial object or reducing distance from the first spatial object to the front surface of the device; a semi-reflective mirror disposed between the first Fresnel lens and the first luminous display for ensuring that images from both the first luminous display and the second luminous display reach the first Fresnel lens; and a housing including the display screens and the Fresnel lenses with the fir
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