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Title: Arithmetical medal and numerical pocket piece [Go to resource]
Description: "Arithmetical medal and numerical pocket piece" by I. Maddux License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ready reckoner
ready reckonersTemporal: 1753 Source: Science Museum Creator: Maddux, J. Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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