Acrylic circular slide rule with paint fill

Side note @jsc, you’d probably love the Nuclear Bomb Effects Computer, found in the back of the 1962 The Effects Of Nuclear Weapons, published by US DOD and Atomic Energy Commission. The book is an interesting read if you’re a science geek, and the computer is a great relic of that era. I just hope I don’t have to use it for real life purposes anytime soon.

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Love the contrast here. Looks like you won the lottery with this one :slight_smile: