Here’s another YouTube video I’ve watched by way of informal research for Dark and Deep and its sequel. Here, a blacksmith at Colonial Williamsburg teaches us all about smelting iron ore into useable iron. Neat!
Bloomeries can be much bigger than this. A small design like this is convenient for tipping over at the end of the day so that the chunk of bloom can be easily removed. Larger mud brick versions (like Alexander Smith’s) require that someone fish out the bloom with tongs.