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Re: [sca_moneyer] Spanish Galleon Treasure

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  • silveroak@juno.com
    Greetings again, ... Can you share some of your feelings / impressions? I know how I feel when I hold some of the pieces I ve been privileged to see (3
    Message 1 of 35 , Dec 3, 2012
      Greetings again,

      > A little know fact is that I worked for Treasure Salvors in 1980 ... when the Spainish Galleons Atocha and Margurita were being actively salvaged. I picked up quite a few gold chains off the bottom.

      Can you share some of your feelings / impressions? I know how I feel when I hold some of the pieces I've been privileged to see (3 different Faberges, some medieval jewelry), but I'm always curious about other's thoughts on the subject.

      >I have very strong feeling about the salvage operation mentioned in this posting. I feel that Oddessy did all the research and work and Spain robbed them. If a case can be made for the original owners having the rights to the treasure (which I don't feel it can), it should go to Peru ... the people Spain enslaved to mine the silver!

      I agree with you entirely, I thought about even sending the URL, but the pics were amazing, so I gritted my teeth and did it...

      (Of course, no one else has to agree with me either...)


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    • drumax@tribalsoup.com
      Thanks, I will be using the sandpaper, it seems to be the best way to go.
      Message 35 of 35 , Dec 29, 2012
        Thanks, I will be using the sandpaper, it seems to be the best way to go.

        Quoting klessig <klessig@...>:

        > <mailto:drumax@...?subject=Re%3A%20Smoothing%20out%20the%20surface%20of%20a%20die>"drumax@..."
        > drumax.tribal
        >> Would a lapping compound do pretty much the same thing?
        > Not entirely no
        >> He said he puts the compound in between the two die surfaces and
        >> grinds them together
        > That will not give you a flat surface!. It will give you two
        > surfaces that mate.
        >> but I also read that a lapping compound needs to
        >> be used on a perfectly flat surface (when the intent is to obtain a
        >> perfectly flat surface)
        > To get a flat surface, you need to have 3 surfaces, and lap in all
        > directions.
        >> and the surface needs to be softer than the surface you are
        >> grinding and polishing.
        > For efficient lapping, you want the lapping compound to embed in the
        > softer surface. This will have the effect of not leaving embedded
        > compound in the lapped (harder)surface. In the machining world this
        > is important because later the lapped surface will have something
        > else moving in it or on it (at high speed), and you don't want
        > lapping compound in the "end use" surface because it will wear away
        > at the other item (frequently a shaft).
        > For lapping dies, that is irrelevant.
        >> I was thinking it might be
        >> better to do it the way it is being suggested here with the sandpaper
        >> because maybe he is thinking more about fitting two surfaces and less
        >> about getting a perfectly flat polished surface?
        > Exactly, although all we really need as well are matching surface
        > for use, and smooth surfaces for esthetics.
        >> Would a lapping compound work in the same way as mentioned below?
        >> With a marble tile (which I have)?
        > It will work ONLY short term, and not very well.
        > Marble is SOFT, and will wear away fast. This is why sculptors like
        > it. [Ok Only one of the reasons.] but if you are rubbing your die
        > and abrasive on it, you will soon have a nice dish. The same would
        > be true of glass, and even granite to lesser degree.
        > Sandpaper works because the tie is providing the flat reference
        > surface, while the sandpaper is protecting it from being rubbed
        > against. The sandpaper ends up forming an abrasive slurry that is
        > very similar to the lapping compound any way, if you use water or
        > oil. I tend to use water based "personal " lubricant, because it
        > works better than water alone, and yet doesn't leave the same mess
        > as oil.
        > Vct Chandra
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