"Why did you call him tortoise if he wasn't one?" Alice asked. "We called him tortoise because he taught us" said the Mock Turtle angrily: "really you are very dull!" (Alice's Adventures in Wonderland, Lewis Carroll)
- Machina Speculatrix overview (PDF 8 pages)
- Grey Walter's tortoises YouTube
And a 1957-60 – Transistorized Tortoise ;)
Created: 16-12-2015 [10:25]
Last updated: 23-01-2025 [00:04]
For attribution, please cite this page as:
Charters, T., "Grey Walter's Tortoises - ELSIE": https://nexp.pt/Tortoise.html (23-01-2025 [00:04])
(cc-by-sa) Tiago Charters - tiagocharters@nexp.pt