Ireland’s National Maritime Museum ishoused, aptly enough, in the old Mariners Church of Dún Laoghaire, Dublin Bay. Built in 1837, the churchhasremained in place despite a town that has changed rapidly around it. The church now has pride of place…

In our world of instant communications it’s hard to imagine that it once took ten days to send a message from North America to Europe. That was the fastest a ship could go - if the weather was favourable. All this changed in 1858 when the first…