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chemistry

How did you enjoy the hottest day of the year so far on Sunday? It got me thinking about what else we have in the collection relating to temperature.   For simplicity, I like this modern reconstruction of an apparatus which Philo of Byzantium devised back in 200 – 100 BC to indicate temperature change. A hollow, lead globe is attached to a tube, which is bent over into a container of water. You can probably guess what happens when the globe is warmed… Philo explained:   I […]

You may have been following my recent posts on Britain’s submarine history. One thing that’s emerged has been the important role of Barrow-in-Furness in transport history. The Vickers company, now part of BAE Systems, made most of Britain’s submarine fleet at their Barrow yard, and BAE are manufacturing our latest subs there now. But Barrow was a transport town long before the submarines. In the mid-nineteenth century, Barrow became a centre for steel-making, as iron ore mined in the nearby Lake District […]

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