Thanks Jim....I really do enjoy that old slide ruley thingy.
It uses raw times..
I have been trying to "upgrade it to Bris figs" or any figs for that matter.
Once in awhile ya catch one.
I use it to suppliment my pencil and paper stuff.
By the way, whats your site address....I am thinking of getting "Calibration" and integrating the ideas into some of my thinking.
Thanks again.
Grahors
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