Thread: I'd say that this fits the definition of a "mobile" reader
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Old 04-21-2013, 07:39 PM   #23
crich70
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Back when the 1st atom bombs were built a slide rule was all they had for their calculations I believe. There is a round one for working out some math I think though I don't know where to find a picture of it.
Edit: found one through wikipedia
Round slide rule
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