Paper, 'The longitude of Lisbon and the Fort of New York from Wanstead and London determin'd by eclipses of the first satellite of Jupiter' by James Bradley Bradley compares the eclipse observations made from the various sites. Subject: Astronomy Read to the Royal Society on 30 June 1736 Published in Philosophical Transactions as 'The longitude of Lisbon, and the Fort of New York, from Wansted and London, determin'd by eclipses of the first satellite of Jupiter' 1736