Check the new article on my History of Computing exhibit: a century old teaching aid from Germany, with the added twist that it anticipates today’s well known slogan: “To each pupil his own counting machine!”
Nathan Zeldes blogs on everyday product design
Check the new article on my History of Computing exhibit: a century old teaching aid from Germany, with the added twist that it anticipates today’s well known slogan: “To each pupil his own counting machine!”
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