Reply To: Pierce Arrow Step Door Sill Plate I.D.

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THINK!!! That is what Tom Watson said!!! The sill plates are BRASS, because brass is fairly impervious to rust (and easy to form etc. etc.). Sometime after "The Brass Period" in the TEENS, nickel was utilized. Nickel was used for appearance and wear resistance, as the nickel added a harder surface. (brass, is relatively soft, and does tend to dull, and scratch). BY 1929 brass was considered "OLD FASHIONED", and with the advent of "modern" enhancements, chrome was utilized. Chrome is just a VERY thin layer that is very hard, and mirrors the nickel. German Silver is a nickel alloy, which has no standard; similar to pewter. AS far as the door sill–there are dozens of variations, depending on the body style, number of doors, etc. With regard to this particular subject patient; exact dimensions were not given, and the LOGO style, at least to me was not clear. The "PERIOD" could be determined by the logo style. SOO there were: "the Brass, Nickel and Chrome" periods; and the change in logo style roughly conformed to those changes. In summary: the period could be determined by the logo style, but the EXACT length, including the cut for the jamb would have to be known, to determine year, exact body style, and placement.