Mike: did you see this?
"Shotgun Review" in the 1912 Hunter-Trader-Trapper http://books.google.com/books?id=Uy7OAAA...gun&f=false
Scroll down to the page 75 and click for the article.

"They are claimed to have barrels of special bore with choke commencing at the breech and extending to the muzzle" with "five different styles of bore"

More 1915 cool aid for Wonko smile

http://books.google.com/books?id=lRMcAQAAMAAJ&pg=PA317&lpg

“The LEFEVER system of taper boring is now famous, because it gives longest range, greatest penetration, the least recoil and the most evenly distributed pattern possible. It’s a taper bore and unlike a ‘choke’ bore it makes all sizes of shot pattern well”.

Last edited by Drew Hause; 05/04/12 03:25 PM.