Ray wrote:

You know, the Chinese iron balls with the chimes inside like
http://www.uran.net/zlb/cloisonneexerciseballs.htm ?
Some are chrome plated and quite smooth. They've been around for hundreds
of years, though I don't know if they originally had the chimes inside. I'd
hate to have to cut one open to find out!



Maybe they dip brass monkeys in liquid nitrogen?

Jeff

--
Jeff Wisnia (W1BSV + Brass Rat '57 EE)

"My luck is so bad that if I bought a cemetery, people would stop dying."