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Society closing times over Christmas

We are closed completely between Thursday 24 December 2020 and Friday 1 January 2021, inclusive.

‘The lines, which are so very fine’: John Harrison, William Hogarth and the trouble with drawing a line of Longitude. Katy considers how a clockmaker and an engraver played their parts in how the longitude problem was solved on paper, in London, before it could ever be resolved at sea.