Thomas Cornick writes:
The trick to keeping them sound so far has been a rim of real wood on both
sides with the nails clinched from both sides.
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       I agree. But the old inner covers (with their rims of wood and
clinched nails)  don't seem to be lasting as long as I would like them to
last  They were old when I got them and I would like them to last forever!
Tim
Tim Sterrett
Westtown, (Southeastern) Pennsylvania, USA
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