Peter is correct, I reamed one record, it now fits but not properly.  I wish 
I had read this years ago and I no longer own a reamer.

Thanks,

Steve
>
>No, actually, the best reamer is no reamer.
>
>The way to do it is to take a flat-edged table knife and scrape down
>the high spots.  you can identify the high spots easily by noticing
>shiny gray places in the plaster, where the nickel of the mandrel has
>compressed and discolored the white plaster when you press the record
>onto the mandrel.
>
>see, scrape, fit, repeat.  do it until the record fits far enough to
>play.  it takes time, but this is why you should do that:
>
>a reamer gets those high spots, but also sands down the corresponding
>opposite spots.  you end up with a perfectly round interior diameter,
>but one that is usually not concentric with the exterior
>diameter...and so the whole record orbits the axis of rotation
>eccentrically (that is, the playing surface rises and lowers relative
>to the mandrel's surface, with each rotation) and sounds
>awful...permanently!
>
>


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