--- date: '2014-03-09 14:57:29' exif: aperture: f/2.4 exposure: 1/20 make: Apple model: 'iPhone 5' layout: gallery-photo location: latitude: 51.998249098373 longitude: -0.744062420344 next: /gallery/2014-london-iceland-trip/49522b3-bletchley-codebreaking ordering: 12 previous: /gallery/2014-london-iceland-trip/120fd55-countryside sizes: 1280: height: 1280 width: 960 640w: height: 853 width: 640 200x200: height: 200 width: 200 96x96: height: 96 width: 96 title: 'Bletchley Codebreaking' --- Took a tour of the museum - this was responsible for much of the codebreaking during World War II.