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Behind the clock faces of Big Ben





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Published on 2 Sep 2015

Did you know you can walk behind the clock faces of Big Ben?

about the clock dials

Number of clock dials: 4
Clock dials diameter: 7m
Length of hour figures: 60cm
Clock dial frames: cast iron
Glass in each clock dial: 312 pieces of pot opal glass
Illumination of each dial: 28 energy efficient bulbs at 85 watt each
Lifetime of each energy efficient bulb: 60,000 hours

Find out more about Big Ben:


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