Tunny code-breaker rebuilt at Bletchley Park
The entire machine was rebuilt using spares from BT telephone exchanges that were remodelled in the 1980s. All of the engineers that worked on the rebuild were ex-BT employees and had contacts at other museums, and so could lay their hands on the components, Whetter added.
The Nazis should have made the first wheel other than direct connections, added the extra wheel used by the Navy, and prohibited daily settings like “heil hitler.” The problem should have been insurmountable. As configured, the problem was amenable to high autists, manic depressives, idiot-savants, and the occasional genius.
The greatest obstacle to understanding reality is not ignorance but the illusion of knowledge.