G som i hemlig

• Movies
• 1994-03-03
• SV
• Released
• 0h 43m
• Documentary

• 0.0
• 0

Storyline

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.