Tapered bore hunting rifles?

[Jack]

Guys, Gerlich's tapered bore cannon was just a tad different than the tapered bore that's been used on our hunting rifles.
Gerlich's 28 MM cannon was 28 MM at the breech, and 20 MM at the muzzle!
As I recall, he had another similar cannon with a larger bore.
BTW, as far as tapered bores on civilian rifles, it's far from new, as others have mentioned. Harry Pope was making tapered bores on his target rifles before 1900, too.