It MUST have the original packaging and be wrapped the same way. Please note: you will NOT receive a refund without a Return Authorization Number since this is how we track the return orders. Once you notify us we will send you a Return Authorization Number. RETURN INFO (non custom clocks): We really like happy customers, so if you are unhappy with your NON CUSTOM large wall clock, please notify us within 5 days of receiving it* and send it (with tracking) within 10 days of giving us notification.
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We will not take returns for non-working mechanisms.
#Big clock hands how to
We will send you a new mechanism and instructions on how to replace it. After that, you need only pay shipping and handling of $8 for as long as you own your clock. For the first year, we will send you a new mechanism. I buy the best mechanisms I can, but sometimes they get damaged in shipping or have other issues later. It is important to me that you have a working clock. Each penny causes Big Ben to gain 0.4 second per day.LIFETIME WARRANTY on mechanism.
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The pendulum is adjusted by adding pennies made before the decimalization of the United Kingdom’s currency in 1971 to the weight. Big Ben is accurate to within two seconds per week. Big Ben is wound three times a week, and the winding takes over an hour. The double three-legged gravity escapement designed by Denison for Big Ben achieves the second of these but not the first.
#Big clock hands free
An ideal escapement would transmit the impulse without interfering with the free swing, and the impulse should be as uniform as possible. In a pendulum clock an escape wheel is allowed to rotate through the pitch of one tooth for each double swing of the pendulum and to transmit an impulse to the pendulum to keep it swinging. Denison’s principal contribution was a novel gravity escapement that imparted unprecedented accuracy to the clock. The clock was designed by Edmund Beckett Denison (later Sir Edmund Beckett and Lord Grimthorpe) in association with Sir George Airy (then astronomer royal) and the clockmaker Edward Dent.
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