On Tue, 24 Aug 2004 18:28:42 -0500, Jim wrote:

In article ,
says...
The first is a square. the rosewood inserts are for insulation purposes to
limit distortion when handling.

Mark, what is a square like this one used for? I understand
insulating micrometers etc, but this?
Really curious!

Jim Kovar
Vulcan, Mi

The only use I know of is checking things on a surface plate with a light and
an eyeball or a pair of feelers. I'm not convinced that the rosewood would do
any good (although it looks nice :-)


Mark Rand
RTFM