3 X Lithographed Calculator " The Educated Monkey " Remake From 1916 (M) | eBay
Vintage 1982 'monkey See' Electronic Game by Radio - Etsy
Graduation Monkey Digital Art by Marianne Dow - Fine Art America
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
Vintage Monkey Tray in Cast Brass (c.1970s) N2 – ThirdShiftVintage.com
According to my calculations…. | Existential Sock Monkey
Vintage Mr. Smart Educated Monkey Mechanical Calculator Toy - Etsy
Vintage Radio Shack Monkey See Game Calculator Non-Working Parts or Repair | eBay
FANMEX – Fantastik – The educated Monkey Calculator – Original retro tin toys – TopToy
Monkey Multiplier Calculator | Popular Playthings
Monkey Multiplier Calculator | Popular Playthings
Rhesus Monkeys Are Capable of Doing Simple Math | The Mary Sue
Antique "Consul" Educated Monkey, Pat'd 1916 and 1918. When you set the monkeys feet at two numbers | Estate & Personal Property Personal Property | Online Auctions | Proxibid
Vintage Consul the Educated Monkey Tin Calculator | Kraft Auction Service
Vintage Mr. Smart Educated Monkey Mechanical Calculator Toy - Etsy
Vintage Radio Shack Monkey See Calculator Game w/ Box and Manual | eBay
Vintage Radio Shack Monkey Calcuator Cat No. 23-5821 - Chili Fiesta Vintage