We're repeating ourselves, but there's not much else we can do, at least in Phoenix right now
It is now well established that Parker and the other U.S. makers proved their barrels, as are the loads and pressures for which they were designed. Scroll down about 1/4 for Parker's proof pressures
https://docs.google.com/document/d/1...UOZEFU/preview
The problem of course is that very few now 120 year old guns/barrels have not been subject to abuse or modification at some point.
Looking down the bore with a scope, and measuring the wall thickness, is simply due diligence and good sense, and might protect our shooting companions, or kids & grandkids, from injury, which should make the effort worth it.