The astrolabe was a mathematical instrument ... and unless specifically stated are not those of the BBC or the British Museum. The BBC is not responsible for the content of any external sites ...

The History of Science Museum in Oxford has one of the largest collections of astrolabes in the world and this is just one fine example. The astrolabe was a mathematical instrument which was used ...

Silke Ackermann, the curator of scientific instruments here at the British Museum, has spent a lot of time on the astrolabe's inscriptions: "The inscriptions are all in Hebrew, you can see the ...

Dr. Gigante first came across a newly uploaded image of the astrolabe by chance on the website of the Fondazione Museo Miniscalchi-Erizzo. Intrigued, she asked them about it. "The museum didn't ...