Author Archives : Rory McEvoy

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less than a month to get ‘faculized’ at the Folger

   Uncategorized   July 27, 2015  No Comments

As there is less than a month left to see the Ships, Clocks & Stars exhibition at the Folger Shakespeare Library in Washington DC, it’s a good time to remark on a few connections between the Folger name and the longitude story. Firstly, I should explain that the word ‘faculized’…

A second in one-hundred days – the results

The last time I wrote about Clock B, we had just commenced an official 100-day trial to see if it would keep up with John Harrison’s expectations. In the last blog post the conditions and aims of the trial were outlined. In this post I will add a little detail…

Harrison Decoded: Towards a perfect pendulum clock

   Uncategorized   January 16, 2015  8 Comments

In July 2014 the NMM hosted on one-day conference, entitled Decoding Harrison, which presented the story of around forty years of collaborative research into John Harrison’s complex and surprising pendulum clock theory. During the conference the exciting result of a previously unannounced and unofficial test of Martin Burgess’s ‘Clock B’…

Decoding Harrison

Richard mentioned in his recent post, Looking for a New Harrison, the three accurate longcase clocks that were made by John and James Harrison in the latter half of the 1720s and it prompted me to post a little about an ongoing Museum research project that investigates Harrison’s unusual mechanical approach to…