If you are a collector of old computers you are probably bothered by the inevitable yellowing that takes hold on even the most well preserved machines. Now this coloring was due to the inclusion of ABS, which makes the case flame retardant. For a long time it was thought this coloring was irreversible, but no longer. Thanks to the efforts of hobbyists, collectors and scientists – the world now had Retrobright.
For more information on how to use Retrobright, drop by the Official “Retr0bright” Project Page