Yup, made with a diamond stylus. The machine that made
them (as well as a
radio) is still in the home too. The friend that passed away built it into
the wall with a custom cabinet. The family won't remove it because it
would leave a hole in a paneled wall, and they don't want to replace the
paneling.
I would offer to repanel that wall for them (even the entire room to make
sure it matched) if it meant laying my hands on one of those.
Is the family selling the house? If so, stay in close contact, and even
talk to the realitor and see if you can arrange something with the buyer
to take custody of the machine.
-chris
<http://www.mythtech.net>