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Educated Monkey calculator
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Consul the Educated Monkey, or the inventions of William H. Robertson | National Museum of American History
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PDF) What 'Consul, the Educated Monkey' Can Teach Us about Early-Twentieth-Century Mathematics, Learning, and Vaudeville
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s a fine-condition example of the Consul Educated Monkey adding machine made by the Educational Novelty Company in Dayton, Ohio. … | Consul, Paper engineering, Ads
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