[R-390] slide ruler

[Rasputin Novgorod]

> From: John Kolb <jlkolb at jlkolb.cts.com>
> Date: Friday, December 5, 2008, 12:22 AM
> 
> I still use a Tektronix circular slide ruler from the
> '60's with scales for R, L, C, Freq, Rise time. 
> Great for LC resonance or RC corner freqs.

That would be really handy. If anyone has such a
R, L, C, Freq slide rule for sale, or knows a source,
please let me know privately.

Sincerely
/blair    
priapulus <at> yahoo <dot> com