Frederick Post Company Versatrig sliderule. This is the one I used most in highschool (though it belonged to my father).
Frederick Post Company; Versatrig; sliderule
From: Eric Clark
Date: Tue Mar 29 19:47:43 2011
My father was an electrical engineer. I have one of his slide rules that looks just like this. Cool.
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From: Eric Clark
Date: Tue Mar 29 19:47:43 2011
My father was an electrical engineer. I have one of his slide rules that looks just like this. Cool.