Quote:
Originally Posted by Stollman12
It is a signal cannon I saw one in a pawn stars episode on the History channel. I think it is called a thunder bug. The expert who was called in to appraise the object said that it was used in the 18th. century to summon Quarantine officers etc. When a ship first entered a port and went to anchor. The reason for the small size was to save powder in other words you got more bang for your buck. I can not remember how much it was sold for but it was a good few bob.
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Correct.

I think it was also known as a 'Thunder Mug'.