32 pounder?

http://www.nelsonsnavy.co.uk/broadside6.html.

I remember reading about artillery tests conducted at Madras in the early/mid 19th. Accuracy was crap. British ingenuity had solved the problem by the time of the Indian mutiny though:

"...convicted mutineers were lashed to the muzzles of cannon and had a roundshot fired through their body..."

http://usp.nus.edu.sg/victorian/history/empire/epic.html