The Festival of Britain was a national exhibition which opened in London and around Britain on 3 May 1951 and finished the end of September the same year. At that time, shortly after the end of World War II, much of London was still in ruins and redevelopment was badly needed. The Festival was an …
This entry describes two references to transistorized versions of Grey Walter's tortoises. The second reference refers to people and organisations mentioned in another post on W. Grey Walter and Edmund C. Berkeley . 1957 Jan 25 [WGW response to letter.] The main difficulty is in the mechanical assembly, particularly the gearbox which has to be completely …
In Owen Holland’s original paper "Legacy…." , he gives a description of Grey’s first impression of him … "Walter’s own view of Wiener can be seen in a letter to Professor Adrian in 1947: We had a visit yesterday from a Professor Wiener, from Boston. I met him over there last winter and find his …
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 …