[78-L] Cleaning bare aluminum discs?

[Mark Bardenwerper]

On 6/24/2012 5:40 PM, Julian Vein wrote:
> On 24/06/12 22:01, Bryan Wright wrote:
>> Recently at an antiques store, I picked up some 10-inch bare aluminum
>> discs, including one intriguingly labeled "Paul Whiteman and His
>> Orchestra" and dated June 17, 1938. The records are filthy and have
>> some matter in the grooves. Can anyone offer any tips for safely
>> cleaning these things? I need a method strong enough to clean the gunk
>> out of the grooves, but obviously I don't want to damage the records
>> (which otherwise appear to be in decent shape).
>>
>>
Start with soft bristle brush and soapy water. If labels are extant, do 
not wet them. Aluminum records did not survive well. Aluminum oxide set 
in quickly, making a cratered mess of their surfaces.

-- 
Mark L. Bardenwerper, Sr.

Technology...thoughtfully, responsibly.

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