(Image: Leo Panthera)This is the Clarendon Dry Pile , a device so old that documentation about its ori... ...ratory at Oxford University in 1840. It’s a dry pile , which means that it’s made of alternating...https://www.neatorama.com/2015/01/26/This-Battery-Has-Been-Running-for-175-Years/
This Battery Has Been Running for 175 Years...
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