From my research I think this may be a base burning stove because of the shape, size, and decoration. See pictures for more detail.
General Antiques and Collectibles
Steel?, Cast Iron?
Charter Oak Stove and Range Co. No. 15
Size and dimensions of this item:
50 inches Tall, 21 inches Wide, 21 inches Deep
This was sent to our shop from a world traveler and collector of all things unique. She thinks it may have been used to heat train cars.