[FC] speedo-3 / windshield marks

[N2VZD at aol.com]

i too need to attempt saving an original tinted windshield in my 64 coupe  
with a/c.  it has some minor? wiper marks that hope? to polish out.
i know it is probably not possible , but i will try.
any proven methods out there??
regards, tim colson
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