Posted by Rick Denney on February 23, 2004 at 00:04:38:
In Reply to: Scope to see inside an instrument? posted by Leland Jordon on February 22, 2004 at 23:50:34:
It's called a boroscope.
Or, if you want to spend real money for one, doctors call them sigmoidoscopes. You don't want to know what they are used for.
Rick "who, unfortunately, has first-hand experience" Denney