Hake's - “CONSUL THE EDUCATED MONKEY” EARLY MECHANICAL CALCULATOR.
What 'Consul, the Educated Monkey' Can Teach Us about Early-Twentieth-Century Mathematics, Learning, and Vaudeville (Chapter 11) - The Whipple Museum of the History of Science
Educated Monkey (rekenaap) - YouTube
Consul, The Educated Monkey - Tin Toy - Multiplication Toy - Walter & Prediger
3 X Consul Calculator Affenrechner " The Educated Monkey " Remake From 1916 (F) | eBay
view and search my collection of slide rules
Rechner - The Educated Monkey | Fondation Beyeler Shop
Consul
Monkey calculator, Consul, The Educated Monkey, l - Nov 05, 2006 | Rich Penn Auctions in IA
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Consul
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Vintage Consul the Educated Monkey Tin Calculator | Kraft Auction Service
The Educated Monkey Calculator - An original vintage wind-up toy
Educated Monkey calculator
The Educated Monkey ~ a simple calculator toy | Simple calculator, Math instruction, Education
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Calculator Consul | Manufactum
