There is a wealth of stuff out there -
One source credit's the design to George Bomford, West point graduate, CLASS OF 1805, After graduating from West Point, Bomford continued his army career in the Corps of Engineers, building seacoast fortifications. He also experimented with designs for heavy guns able to fire both explosive shells and solid shot.
JSTOR has some interesting things as well, as DD pointed out the term used to broadly define a class of heavy cannons, and the resulting ambiguities.