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Hardy,
My reference to vaudeville was in response to Hawg's ratchet "impression". It was not directed at you. I only said you were wrong about the newer brass frames, but if you meant the repros vs. the originals, you may have a point. I also believe that the original frames were made of a different brass alloy called gun metal or red brass.
"Red brass is both an American term for the copper-zinc-tin alloy known as gunmetal, and an alloy which is considered both a brass and a bronze. It typically contains 85% copper, 5% tin, 5% lead, and 5% zinc. Red brass is also an alternative name for copper alloy C23000, which is composed of 14–16% zinc, 0.05% iron and lead, and the remainder copper. It may also refer to ounce metal, another copper-zinc-tin alloy." from Wikipedia
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