I'm trying to get a history, including time line, of the use of Parco-Lubrite, zinc phosphate and manganese phosphate, especially before and during World war Two. This is for research on the finishes used on certain U. I have seen the data published on Wikipedia, https: Does anyone know a source of in depth history on the use of parkerizing? I also see that Parco-lubrite is currently a manganese phosphate solution, yet I'm pretty sure it was a zinc phosphate solution during the war. Does anyone know when the composition was changed? If you know of a book that explains this in detail, I would be glad to purchase it. Your help is much appreciated. Parco lbrate incontri tend to believe Parker-lubrite parco lbrate incontri manganese based from the very beginning. In this process, which came to be incontri cortexandra as Parkerizing I have some other references asserting the same. Sorry, I don't know offhand where the "Lubrite" term arose. Without research I can't dispute the Wikipedia assertion as to whether or not there was a conversion to zinc phosphate during the war. Unfortunately he passed away a few years ago.

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I also see that Parco-lubrite is currently a manganese phosphate solution, yet I'm pretty sure it was a zinc phosphate solution during the war. According to the Wikipedia article, The Parker Company received two patents. Some specifications may call out "Parkerizing" and nothing else. Cosletts patent zinc phosphate based Given the history involved, it is not surprising that "Parkerizing" done at different places and different times is different in appearance. Some were proprietary, and some home-brewed. Donahue - Shelby Township, Michigan. Could the chromic acid combine with the zinc to form a greenish color? I know that zinc chromate primer is green. Come ho acquistato la sua fica durante lo shopping 10 min Hunt4K - 2. Type Straight Gay Shemale.

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