Creating and cracking codes

Looks at the history of code making and breaking, from Champollion deciphering Egyptian heiroglyphs to the German Enigma machine.

9780605720114
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
31439786579552156567044058917512271T001200050400+652 MCF65216407292551640729255