Which information? If you are referring to the different barrel steels, that will take some time to reassemble and is from a mixture of TPS and PP's. I am not aware that the compositions have been specifically identified and I know Doc Drew found some supplier information. In other words, I am not aware that the specific formulas for Acme, Titanic ,Parker and Parker Special Steel, and Vulcan have been found.
Bruce Day, Parker apprentice collector 3rd class.
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