It was made recently but to Harrison's designs of 250 years ago.
It's not the "most accurate clock in the world" but the "most accurate mechanical clock with a pendulum swinging in free air".
@Greenbank started
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It was made recently but to Harrison's designs of 250 years ago.
It's not the "most accurate clock in the world" but the "most accurate mechanical clock with a pendulum swinging in free air".