From Objectivity.

We’re back at the Royal Society to see an antique mountain barometer that Darwin himself used on the famous Beagle voyage. More links below ↓↓↓

Bonus stills from the behind-the-scenes here: https://www.patreon.com/posts/75834017

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Films by James Hennessy and Brady Haran

Royal Society website: http://bit.ly/Royal_Society

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