In a message dated 98-01-30 16:03:04 EST, [log in to unmask] writes:

> I would avoid the use of either heat or cold.  Heat causes
>  expansion and cold cause shrinkage.  Neither is advisable for historic
>  materials.  Oh, you can get away with it, for 3 out of 4 projects, but
>  on the forth you'll be very sorry.

I'd have to agree with you....

Thanks to everyone who contributed their thoughts!

- Adrienne