There is more to talk about and show regarding ELMER and ELSIE , the M. speculatrix models. So that I can talk about them further, I feel that I need to introduce CORA the tortoise at this time. Why, do you ask, do I keep qualifying CORA -'the tortoise' ? Some of you out there …
These next set of pictures show the new single-coil relays which were also used in the batch of 6 for the Festival of Britain in 1951. You will also notice the oil-filled capacitor has gone, and in one picture another capacitor is in place. This is most likely the capacitor used to give M. speculatrix …
ELSIE (Electro-mechanical robot, Light Sensitive with Internal and External stability ). The press at the time reported the arrival of ELSIE in late 1949, eg Daily Mail, 17 November 1949; and Daily Express, 13 December 1949. But a memo exists from Edison Swan to Grey dated 10 Mar 1948 suggests that the female tortoise [ELSIE] was also built in 1948. [Note: Edison …
Ray Cooper, the last director of the Burden Neurological Institute, wrote this bio on Grey Walter for the Oxford Dictionary of National Biography ( http://www.oxforddnb.com ) . (William) Grey Walter (1910-1977), Walter, (William) Grey (1910-1977), neurophysiologist, was born in Kansas City, Missouri, on 19 February 1910, the only child of Karl Wilhelm Walter (1880-1965), a British …
There are various bio's out there on Grey Walter already, but I thought I'd try a different approach. One of the better references on Grey Walter and his tortoises is, interestingly enough, the book titled "Discussions on Child Development" in one volume 1971. Most researchers on Grey Walter and his tortoises usually only reference the …