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    Nitride case hardening

    Nitrification is the process of using nitrogen to case harden metal. Today it is usually done with ammonia gas but an ammonium salt bath also works. We have texts telling us that some sword smiths...
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    There are a lot of these coming on the market now...

    There are a lot of these coming on the market now that Myanmar has opened up for trade. The fake antique sword industry that was developed and refined in China is being introduced by the Chinese to...
  3. "Best in Show" is well deserved. Very nice job....

    "Best in Show" is well deserved. Very nice job. If I was the customer, I would have thought it well worth the wait.
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    They certainly appear to have been made from...

    They certainly appear to have been made from bloomery steel using traditional techniques. There is no way to tell whether they are Roman without knowing where they were found and in what context.
    ...
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    You are unlikely to get any useful replies until...

    You are unlikely to get any useful replies until you post some pics.
  6. I don't think it is a fake or bad replica. I...

    I don't think it is a fake or bad replica. I think it is a sporting helmet made for SCA bouts before all of their current regulations.
  7. The shape of the helmet, the missing crown, the...

    The shape of the helmet, the missing crown, the visor, the screws in the visor, the strange scale curtain.
  8. Looks like something made for the SCA in the...

    Looks like something made for the SCA in the 1970s.
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    Thanks for the correction guys. It is fascinating...

    Thanks for the correction guys. It is fascinating to see some of the scabbard still intact.
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    Doesn't look Celtic. Could be medieval.

    Doesn't look Celtic. Could be medieval.
  11. Regarding the tournament demonstrations, they...

    Regarding the tournament demonstrations, they don't really tell us much. If you sit an item on a hard surface and clamp it so it is held rigid, it is a lot easier to damage. Many of these feats are...
  12. You can use a chisel and anvil to cut a red hot...

    You can use a chisel and anvil to cut a red hot gun barrel. Once it cools down you need a saw.

    Mr. Brown had this question thoroughly answered two years ago...
  13. You've been watching too many Hollywood movies.

    You've been watching too many Hollywood movies.
  14. No sword of any kind can cut through armour....

    No sword of any kind can cut through armour. Swordsmen were taught to aim for unprotected parts of the body.

    "However, Japanese armor has, for the sake of easier movement, unavoidable and exposed...
  15. The ideal solution would be to knock off some of...

    The ideal solution would be to knock off some of the encrustation to get a better idea of what the item is and then stop and put it back where it was found. Taking it from the site, removing all of...
  16. You won't like the answer but it is unlikely that...

    You won't like the answer but it is unlikely that you would learn much about it now; the restoration process seems to have destroyed most of the detail. Better to leave it as an encrusted lump and...
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    Unfortunately it looks like a fake to me. Keep in...

    Unfortunately it looks like a fake to me. Keep in mind that whenever someone says that an item was "found in Luristan", usually means that it is either a fake or it was illegally looted from...
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    If it is a fake, it isn't a bad one. The easiest...

    If it is a fake, it isn't a bad one. The easiest way to tell if it is a fake is to analyse the metal. Few fakes bother with the proper bronze alloys that were in use at the time.

    Keep in mind that...
  19. Are there any makers marks? Need to see pics of...

    Are there any makers marks?
    Need to see pics of the inside and a close up of the crest.
  20. Once the metal has been smelted into billets,...

    Once the metal has been smelted into billets, anyone with blacksmithing skills could work them. They might waste a billet or two learning the best way to work them but it wouldn't take long to get...
  21. The bronze alloys that were being used in the...

    The bronze alloys that were being used in the Bronze Age were about as effective as unhardened medium carbon steel. The reason why iron replaced bronze is because it was cheaper and more readily...
  22. Good one. It would have been a beauty when it was...

    Good one. It would have been a beauty when it was new.
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    I'm not sure how that helps. If an ore from...

    I'm not sure how that helps. If an ore from Greece or the Middle East turns up with with similar levels of nickel and cobalt then the extra terrestrial theory falls over. Right now it seems more...
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    It is good to know that the dagger contains...

    It is good to know that the dagger contains cobalt but an extra terrestrial source can't be confirmed until the local ores are examined to see if they contain cobalt. Cobalt isn't as common as nickle...
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    Hi Guy, I hope you are joking. Romans never made...

    Hi Guy, I hope you are joking. Romans never made swords like this.
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