[Hallicrafters] restoring yellowed clear plastic fronts on SX-100 & SX-96 S-meters

[rbethman]

Gerry,

My experience with these pieces is that the color is throughout this 
plastic.

The only ones that don't have this are indeed the Halli's with glass.

The plastic "lenses" i have taken out and replaced with Lexan sheet that 
I obtain from Hobby shops.

I've even taken a very old wall clock that had the glass finally crack, 
and replaced it with the clear Lexan.

It is impossible to "polish" the surface as a resolution, since the 
color is throughout the thickness.

YMMV
Regards,
Bob - N0DGN



On 3/27/2014 12:26 PM, Gerry Steffens wrote:
> Thanks for the words guys.
>
> I have been restoring and collecting since the late 1960s.  I have tried the
> Novus and the Meguiar's stuff (Novus 1,2 & 3 also Meguiar's 10, 17, 18) to
> little or no avail.
>
> Since I also do classic cars, I have used the headlight restorer on some
> plastic lenses that had deteriorated down to translucent as opposed to
> transparent.  It seems to work on those extremely yellowed lenses and thus I
> wondered if anyone had tried it on Halli S-meters.  At this point I am a
> little hesitant to risk any of my good meters (I sold off the marginal ones
> - chips or cracks, etc,) which are all in radios.
>
> I am a collector and I have approaching a dozen Hallis (out of about 34)
> that need treatment.
>
> Thanks for the input.
>
> Cheers,
> Gerry
>
> Gerald L. Steffens P.E.
> Oronoco, MN
>
> Radio Historian, collecting & restoring E.H. Scott, Heath
> McMurdo Silver, Hallicrafters, Zenith, National,
> Transoceanic and any other interesting
> radios & classic Oldsmobiles
>
> Collection stands at about 300 radios, 5 Oldsmobiles & a 1950 GMC long bed
> 1/2 ton
>
>
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