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Early calculator?

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Office Antiques488 of 964Any information please - email chaxxman1@live.comjohnson and johnson block stamp
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Posted 2 years ago

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Rosemarie
(7 items)

Does anyone recognize this bead counting mechanism? It's made by the Lightning Calculator Co. of St. Petersburg, Florida. The accompanying "Operating Instructions For the Quincunx Model WD-4" say this model is furnished complete and ready to use with zipper carrying case, self contained easel, beads and scale holder. It seems to be more for statistical analysis than for actually calculating.

Mystery Solved

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