David Roybal shared this photo with me in 2020, and I am adding it here in 2025. I suppose of all blogs one about a medieval conveyance contraption isn't time sensitive. 🙂
The photo led to a video, showing how to make the little stove:
"Take advantage of old trolleys - clay and cement - turn them into portable cooking stoves"
Without the wheelbarrow, I saw this stove in action in India. It burned little dried patties of water buffalo dung.
There was another stove-in-wheelbarrow, in Brazil, here: