I am by now perfectly aware that "Bletchley Park had much more available to them than 'Bombes,'" but I'm finding it difficult to find on-line explanations of their many other types of "rapid analytic machinery" which are not shielded by "paywalls." No, I really am not interested in paying $75.00 (USD) for access to a single article. Therefore, what books and/or article sources might you recommend?

  • $\begingroup$ Search for Removing barriers in the way of science. $\endgroup$
    – kelalaka
    Commented Oct 2, 2020 at 21:37
  • $\begingroup$ I'm not sure what you mean by that, kelataka. I know that David Kahn's book discussed some of the "other" devices (in his recent editions where he knew about them), but I found only one Cryptologia article that wants $75.00 just to read it. $\endgroup$ Commented Oct 5, 2020 at 15:21
  • $\begingroup$ 9gag.com/gag/aQdVDRz?ref=android $\endgroup$
    – kelalaka
    Commented Oct 5, 2020 at 15:23


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