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G som i hemlig
Olle Häger

G som i hemlig

  • Documentary
RELEASE

1994-03-03

BUGET

N/A

LENGTH

43 min

Description

About the Siemens Geheimschreiber - G printer - a crypto machine that Hitler's engineers designed in the 30's. The mathematician Arne Beurling at Uppsala University revealed the G-printer's secret.