There is also Reconstructing Turing's "Paper Machine": https://en.chessbase.com/post/reconstructing-turing-s-paper-machine https://en.chessbase.com/post/reconst

There is also Reconstructing Turing's "Paper Machine": https://en.chessbase.com/post/reconstructing-turing-s-paper-machine https://en.chessbase.com/post/reconstructing-turing-s-paper-... The Google Docs link in this article is made private. However, Turing's original paper is available in "Faster Than Thought", page 288 onwards (https://archive.org/details/faster-than-thought-b.-v.-bowden/page/288/mode/2up https://archive.org/details/faster-than-thought-b.-v.-bowden...).