It employs similar principles to a cannon, yes! Gunpowder in the cartridge is activated by a firing pin and the ensuing explosion propels the slug. Grooves in the barrel impart a spin that stabilizes the projectile and improves accuracy. Quite a feat of engineering. [ As he explains, he points to the relevant parts of both the gun and bullet. The weapon has other curious design elements: a flange at the base of the grip and some threading at the end of the barrel that suggest missing parts. ]

I would demonstrate, but as I mentioned, I only have so many rounds and I doubt Lord van Zieks would appreciate firearms discharged in his bar. [ Sholmes is already on paper-thin ice as it is, what with his improvised drinks and stray bats. ]

You must tell me, General, what sort of airship can accommodate a cannon? Where I come from, the best we have are hot air balloons, and the most they can handle is a basket and a few passengers.