article_snippet.sent: The modern-day clock has since been certified by the Guinness World Records, which the National Maritime Museum confirmed on Twitter .
article_snippet.sent: The modern-day clock has since been certified by the Guinness World Records.
article_snippet.sent: the National Maritime Museum confirmed the record on Twitter yesterday.
article_snippet.sent: the National Maritime Museum wrote: 'Our 100 day trail of "Clock B" won @GWR for "most accurate mechanical clock with a pendulum swinging in free air"!'
highlights_snippet.sent: Certified by Guinness Book of Records, National Maritime Museum said .