Re: [CAD_CAM_EDM_DRO] Re: Digital Caliper Output

>
> Or, if you'd just as soon fiddle with some nasty electronics, how about a plunger in
> a rectangular tube? Feed in microwaves and adjust frequency until it resonates.
>
>
> Annie "don't ask me how to measure the temp. of liquid helium" ogborn
>

Same thing works at audio freqs. Just sweep the freq and look for the resonance. Someone in the '60's used this to measure volume
in a buret.

Dave