On Thu, 29 Dec 2005 11:08:00 GMT, ff wrote:

Anyone else see the show on PBS about making new cases for the
Constitution, Declaration of Independence and Bill of Rights?

Yep.
But as it was PBS no wingers were watching I gather. Not that
they seem to like those bits of paper anyway.

It included a short but very cool segment on machining the cases out of,
get this, _solid titanium_. In one operation they were using a hexapod
cnc and another op was facing the front perfectly flat in a great huge
cnc lathe using PCD tooling. The idea is the glass cover will seal
perfectly against the metal with no o-ring. The whole assembly gets
filled with argon gas for preservation of the documents. They
destructively tested one unit in a vacuum chamber, drawing the pressure
down until the glass broke in the middle, but the seal never leaked.
Must be a cool place to work, where it seems cost is no object.

Fred

Think they can keep bush & the neocons out of the case that way?
I sort of doubt it.
--
Cliff