Jibo - Robots in History: Elmer and Elsie (1948) built by William Grey Walter, these "tortoises" were the first autonomous electronic robots capable of complex behavior. They demonstrated the neurological principle that
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
2008: Grey Walter and his tortoises | News and features | University of Bristol
Elmer y Elsie, las tortugas robot de 1948 – Tecnología Obsoleta
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
Meet the Roomba's Ancestor: The Cybernetic Tortoise - IEEE Spectrum
Elmer y Elsie, las tortugas robot de 1948 – Tecnología Obsoleta
Elmer y Elsie, las tortugas robot de 1948 – Tecnología Obsoleta
1948 - ELSIE (Electro-mechanical robot, Light Sensitive with Internal and External stability ) - W. Grey Walter - cyberneticzoo.com
Tortoise" Mobile Robot | National Museum of American History
Elmer y Elsie, las tortugas robot de 1948 – Tecnología Obsoleta
Robots - How We've Built Them Over The Years | Servo Magazine