Swing Bridge

Once it was pivotal. Now, ivy-clad and rusting, it tells of an era long since past. Yet still it retains a grandeur and a fascination, like the mouldering carcass of some giant metal dinosaur. It’s a railway swing bridge. It dates from 1851. It was … Continue readingSwing Bridge

Einstein’s Blackboard

If you like astrolabes, Oxford is the place for you. There are 170 of them in the History of Science Museum. And not just astrolabes. There are also (according to Christopher and Edward Hibbert’s magisterial Encyclopædia of Oxford) ‘armillary spheres, orreries, globes, equatoria, quadrants, sun-dials, instruments … Continue readingEinstein’s Blackboard