Timeballs and the Synchronisation of Clocks in mid-Victorian Liverpool
Timeballs and the Synchronisation of Clocks in mid-Victorian Liverpool
Timeballs and the Synchronisation of Clocks in mid-Victorian Liverpool
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John Hartnup <strong>and</strong> <strong>the</strong> <strong>Liverpool</strong> Observatory<br />
left. National Oceanographic Centre website;<br />
right. J. Sc<strong>of</strong>field, Bidston Observatory, 2006.
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