In article ,
Clive Page wrote:
I got an inferior brand and it works, but doesn't balance as well, and
is certainly less well made. So maybe you get what you pay for.
Surely the original design must be out of patent protection by now?

Is there a patent on the design? Can you patent an obvious principle?

--
*Change is inevitable, except from a vending machine*

Dave Plowman London SW
To e-mail, change noise into sound.