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.
Podcast: Play in new window | Download
Subscribe: Google Podcasts | RSS | List of episodes
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.