Charcoal irons followed the use of flat irons when the base was made into a box in which to put charcoal which would keep the iron hotter for a longer time.This item is an example of a domestic appliance in common usage before the advent of electricity.Large black ornate charcoal iron with a chimney on the top. It has an ornate metal hand protector. It has a hollow base into which charcoal is placed. The small hole at the back has a sliding cover that was used to regulate the temperature of the iron. ir0n-charcoal domestic