No excuse however for repeating demonstrable erroneous statements
Parker Brothers
1893 Catalogue
“Our guns are bored on the latest improved system for shooting Nitros, or Smokeless Powder, and all our guns are tested with some one of the most approved makes, and a tag accompanies each gun, giving the results of such a (pattern) test.”
https://www.shotgunworld.com/bbs/vie...p?f=2&t=505616