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    Actually there is such a thing, but it is a...

    Actually there is such a thing, but it is a thermocouple. The Multi Meter must be a more sophisticated unit that measures temperature though. The cheapest route seems to be a digital thermometer...
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    Okay, you guys got me all fired up (no pun...

    Okay, you guys got me all fired up (no pun intended) to study up on some color casehardening again. I had to research thermo couplers, and I think I understand what they do now. The wife and I...
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    Thank you for the info. I will add it to my...

    Thank you for the info. I will add it to my growing case coloring file for when the time comes. Sounds like one of these small furnaces could be mortared up from firebrick easy enough. Lump...
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    I would agree, but this might be useful. Could a...

    I would agree, but this might be useful. Could a bightly polished case box containing the parts be brought up to light blue in the forge and held just short of turning red for a few hours as a means...
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    WWII stands out as the huge event of the 20th...

    WWII stands out as the huge event of the 20th Century. You can study it for years and not get your head around it. The idea that a civilized modern world of 1940 could produce something like the...
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    Hey All Thanks for the responses and keeping...

    Hey All
    Thanks for the responses and keeping this thread alive a bit longer. I am building a field grade double on a stripped and rusty LC Smith FWT frame that I bought some months ago. I am...
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    I did a bit more research. It seems good colors...

    I did a bit more research. It seems good colors without much hardening can be gotten around 1350 degrees. Very dark colors can be gotten at about 1500 degrees, and no colors at all at 1600 degrees....
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    Okay I think I am following here. I am not...

    Okay I think I am following here. I am not familiar with "masking" and I am not familiar with "sub critical". I assume the first is a way to protect pre-colored parts to allow the soft ones to...
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    Excellent, clears that up, thank you. So then,...

    Excellent, clears that up, thank you. So then, there should be no harm in annealing a part in to order to repair it before the case hardening takes place. Correct?
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    Color Hardening Questions

    Hey All
    Does anyone know if Turnbull or the other classic gun restorers anneal the various parts that are to be re-cased, or simply finish and then give them a second application? I never thought...
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