[78-L] aluminium discs?

John Wright vintage at jabw.demon.co.uk
Tue Mar 10 01:34:02 PDT 2009


In message Ken Matheson writes

>Radio stations in the 50?s used these disks to make recordings to play 
>back at a later time.
 >...........

Thanks Ken, that was the sort of answer I was looking for.

Thanks too to Ron L and Julian.


-- 
John Wright





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