I recall also reading this article some years ago with complete horror. I think the misunderstanding arose from the fact that the Proof House insisted on proving the earliest 2" chamber guns with the same Proof Load as the 2 1/2" chamber guns and marking them at 1 1/8th. ounce the same way. With later negotiations with the Gunmakers they then started to mark them at 7/8th. ounce and 2 3/4 tons per square inch. I doubt you could fit much more than a 1/8th. inch card wad between powder and shot. I bet it kicked a bit! I hope not too many other tried the same trick! Lagopus.....