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Showing results for tags 'slide rule'.
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Here's an auction with some drafting tools and slide rulers. How many of you remember these? When I was a senior in high school, my physics teacher would not let me use one because "not everyone in class knows how." This was despite the fact there was a 6' long slide rule above the blackboard in the classroom. To make matters even more puzzling the same teacher was teaching us logarithms (the concept behind slide rules) and some trig in math class. (This just goes to show how bad my secondary school education was. The next year he was working in a lumber yard and eventually we became friends outside school). Well, anyway, my buddy and I volunteered to take one class session and teach everyone the fundamentals. When I got to college, I got a nicer one that the cheap plastic one I had, "Because I'd probably use it for a long time." Ha. By the time I was a senior the engineering students had HP calculators that cost the equivalent of two terms of tuition and used "reverse polish notation."
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Found this and thought of you. The paper cover was already damaged as found.
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- slide rule
- electric
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