category.
Instead of relying on an electrical heating element, the iron contained burning or glowing charcoal.
The charcoal provided the heat.
The heavy metal body absorbed that heat.
And the heated bottom surface could then be pressed against clothing to smooth wrinkles.
It was a clever solution for a world without modern electric appliances.
So What Exactly Is a Charcoal Box Iron?
The object in the photograph is essentially a portable heated iron designed to hold charcoal.
Its basic construction was straightforward.
A heavy metal body formed the main container.