William Grey Walter – Wikipédia, a enciclopédia livre
2008: Grey Walter and his tortoises | News and features | University of Bristol
William Grey Walter - Machina Speculatrix | Orionrobots - Learn to build robots at home
Watch This 1940s Robotic Tortoise Navigate A Room By Itself | Impossible Engineering - YouTube
The first biologically inspired robots
W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
William Grey Walter and his Machina speculatrix | SciHi Blog
W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
A Short Biography: W. Grey Walter
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
1948 - ELSIE (Electro-mechanical robot, Light Sensitive with Internal and External stability ) - W. Grey Walter - cyberneticzoo.com
William Grey Walter - Wikipedia
The Development and Significance of Cybernetics by William Grey Walter - Cosmonaut
CORA the tortoise - Machina Docilis - Grey Walter (British) - cyberneticzoo.com
W. Grey Walter, pioneer in the electroencephalogram, robotics, cybernetics, artificial intelligence - ScienceDirect
History Makers - Grey Walter's FoB Tortoise Replicas (1995) - Amy and Ninja Gallery 2009
M. speculatrix - Scanning: It makes all the difference - cyberneticzoo.com
The Maker's Box: Turtle Programming in Real Life
Exploration and High Adventure: The Legacy of Grey Walter
Grey Walter' s `personal' tortoise from the 1951 batch, now on display... | Download Scientific Diagram
William Grey Walter - Wikipedia
2008: Grey Walter and his tortoises | News and features | University of Bristol
