13 h 14 m, 10 ago 1675 ano - Cronstuction of the Royal Observatory Begins

Descrição:

Suggetsed by Thomas Moore and built close to the Naval College
Designed for the study of astronomy and navigation, and to measure longitatude at sea for growing trade and navy
John Flamsteed appointed as Chief Astronomer Royal,
Thomas Tompion would create precise clockes for measuring time at sea

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