Related Images
This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Looking for more info about this image?
Try a Google Reverse Image Search for it.
Try a Google Reverse Image Search for it.
Keywords from Image Description:
Hotshot furnace Fort Marion Castillo de San Marcos. en Hotshot furnace at fort Marion Castillo de San Marcos used to heat cannonballs cr nps gov htm United States National Park Service PDUSGov Uploaded with Castillo de San Marcos National Monument Cannonball furnaces