Difference in Blueing!

[alvin]

Originally Posted by cirelaw

because none of my books address these important issues!

Before internet, even Gale Morgan restored pistol could have wrong finish on small parts, e.g. supposed strawed trigger, he fire-blued it. The reason... B&W pictures on publications filtered out many details, and no book has text description. He probably made a guess on finish based on the finish of more commonly seen variations.

After internet, lots of things have changed. Everyone made some progress.