| http://www.w3.org/ns/prov#value | - rotational position; said housing further including means for supporting said associated lens in a selected optical alignment relative to the faceplate of said received CRT; a cover having a central aperture therein sized to fit over a CRT neck, said cover being adapted to engage the funnel portion of the CRT and to mate with the rear opening of said housing so that the screen of said received CRT
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