yellowed murky plastic

[Kevin Handy]

Vintage Computer Festival wrote:

>On Tue, 21 Jun 2005, Barry Watzman wrote:
>
>  
>
>>The discoloration is caused by UV light exposure
>>    
>>
>
>And exposure from Sun.  I have many items that are discolored on one side,
>where something was exposed to a window.
>
>  
>
And cigarette smoke. I've "fixed" several "dim" terminals
with the liberal use of 409 (a cleaner). It's amazing how thick
the gunk can get.