User:Colinshorey/Phillips doomsday "map of uk 12"diaz video disc

It will be remembered,the early video discs[1978 Approx]were 12"Diameter.During tihs time Philips electrical and Sony Corporation created a U.K.Atlas namely The Doomsday Map.Showing detailed road maps,city and towns and elevations.Also capable of didplaying photos of locations and topographical projections of site areas.The 12"Disc[thru compression ]was superceeded by the CC.Have Philips archived any details?