A conversation about mathematics inspired by a Correntator, a mechanical adding machine. Presented by Katie Steckles and Peter Rowlett, with special guest Christian Lawson-Perfect.
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Here’s another one of my favourite maths objects: the Correntator. It’s a simple mechanical tool to add up amounts of money. I bought it for about a tenner (new money) at a market.
This video is extremely shonky. Blame my phone, which can’t bring itself to record for more than 250 seconds at a time.
More information about the Correntator.