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…

Happy Birthday Mr Harrison

Today (3 April) marks the 322nd birthday of Mr John Harrison. To celebrate, the very talented Emily Churchill from the RMG Photo Studio baked a special cake, commemorating one of Harrison’s greatest achievements, his H4 seawatch (and very delicious it was too!). In 1726 John Harrison, a carpenter and clock-maker, learned…

Need a longitude fix? We’ve got you covered

Last month we said a tearful goodbye to Ships, Clocks & Stars, which has been a large part of our lives for the past six months. The good news is that the closing of the exhibition does not mean the end of the longitude story here at Greenwich. Indeed the…

Guest post: 250 years ago today: Nevil Maskelyne becomes Astronomer Royal

Today’s guest post comes from Dr Rebekah Higgitt:  We’ve heard plenty about Nevil Maskelyne on this blog, which is unsurprising given that he was such a significant part of the Board of Longitude over four and a half decades. His first meeting at the Admiralty as a Commissioner of Longitude…