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by jeffbradberry
129 days ago
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I have four now, and even go out of my way to use them a bit. My favorites from my collection are a little Dietzgen No 1773, which is surprisingly featureful for something that can fit in a pocket, and a Faber-Castell Novo-Biplex 2/83N, which is kind of one of the big guns for slide rules. |
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https://en.wikipedia.org/wiki/Curta