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Overview: Professor Calculus invented a machine which breaks glass with sound waves. Some foreign countries (including a Totalitarian regime) are interested and send their spies. Tintin and Haddock must face perils to come and rescue the Professor. |
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Overview: Professor Calculus invented a machine which breaks glass with sound waves. Some foreign countries (including a Totalitarian regime) are interested and send their spies. Tintin and Haddock must face perils to come and rescue the Professor. |