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| This is a rebuilt of the Colossus, which took the volunteers more than 13 years, having only very little available information on hand. All detail were considered "Secret" well into the 1970's. | |
| Total images: 72 | Help | |
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| This is a rebuilt of the Colossus, which took the volunteers more than 13 years, having only very little available information on hand. All detail were considered "Secret" well into the 1970's. | |
| Total images: 72 | Help | |