This printable crossword puzzle on the topic of US History (General) has 10 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A roman move
Enigma machine, reverse engineered
Contains the worlds largest historical working computer equipment
a rebuild of the worlds first large scale semi programmable digital electronic computer
Its called Bletchley Park or.....
German cipher (named after company)
Head of MI6 Admiral............. purchaser of Bletchley Park
................... cracked the code of the enigma machine
seemingly unsolvable encryption machine
machine used to crack the Enigma,named in honour of the BOMBA