Really interesting discussion! and I keep wondering, if this could have simply been an anomaly in casting shot, perhaps the mold became flawed, and the deformed ball was simply tossed aside. Although normally one would presume the iron would be reforged, but maybe this one missed?
Could hot shot have possibly reached near molten state and as noted, deformed as fired? It would seem that at near molten state, no amount of soaked wadding would have kept the powder from accidental detonation...in ths case, probably disastrous, with this notable deformed ball the surviving piece.
On another note, seeking possible industrial instance....
"...here is the very important exhibition of the anonyme society of the forges, usines and bronze, of Gilly (M. Aime Robert, administrator deleague). Excavators, pestle hammers, cranes, locomotives for manufactures and harbours, engines of flattening mills, and thier specialty is the construction of engines to fabricate 'the OVOID CANNON BALLS'.
"Universal Exhibition Paris, 1889"
C.H. Bartels, p.104
While I have no idea of the context here, the mention of these ovoid cannon balls caught my eye, and seen in the industrial possibilty.
I am hoping someone more familiar with manufacturing or engineering antiquities might have some ideas on these. It seems the term cannonball has become so colloquially and metaphorically used, it becomes difficult to search authentic references to them. Its like trying to study something from history or literature and coming up with endless rock band names or songs!
All best regards,
Jim
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