Colossus and the breaking of the wartime 'fish' codes

To bleed is to extend an artwork graphic or photographic frame beyond the trimmed edge of the page. The bleed is the amount by which the image extends beyond the trimmed edge -commonly 3mm. Bold type . A heavier, blacker version of a type (commonly used with Roman type) Box . Text that is ruled off on all four sides. Bullet / Blob / Cannon ball ................
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