Originally Posted by
Mark Kelly
Wow, that thing looks like it's a metre long.
More like a couple meters long. It's an "instructional" slide rule that was destined for the scrap bin from my wife's employer (public high school) that she salvaged for me. But I do have more than a few other slide rules that I've accumulated over the years. I remember when my college Chemistry prof bought a high-tech electronic calculator with *four* functions *and* memory while the rest of us were still using slide rules...