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  1. Replies
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    Teeth per inch. Or threads per inch in a...

    Teeth per inch. Or threads per inch in a different context.
    Jewellers saw blades aren't often measured in TPI, they're sold by number 8-1 (coarser to fine) then 1/0-8/0 (fine, finer, finest)....
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    I'd use brick acid from B&Q. But looking at the...

    I'd use brick acid from B&Q. But looking at the state of that, I'd be inclined to suggest offering to make a new one instead.
  3. Thread: Fire scale

    by ps_bond
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    270

    https://www.dynagem.co.uk/products/magic-boric-sol...

    https://www.dynagem.co.uk/products/magic-boric-soldering-dip
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    Given that, I'd suggest you pay someone to assess...

    Given that, I'd suggest you pay someone to assess them or at the very least sort out some decent videos of the stuff. I'm not going to buy rough without at least some assurance that they're usable -...
  5. Thread: Fire scale

    by ps_bond
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    270

    Ah, I forgot the Argotect too. Works reasonably...

    Ah, I forgot the Argotect too. Works reasonably well, doesn't need methanol and doesn't need grinding.
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    That's a fun list. Not least of which is...

    That's a fun list. Not least of which is synthetic *what*? And what is coumbsmite? Not one I recognise. Should that be fluorite rather than fluoride?

    Are they facet grade (well, not the...
  7. Thread: Fire scale

    by ps_bond
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    270

    That was the one. I probably still have some...

    That was the one. I probably still have some somewhere.
  8. Thread: Fire scale

    by ps_bond
    Replies
    17
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    270

    Prips, FM solution, Firescoff (can't remember...

    Prips, FM solution, Firescoff (can't remember what the other commercial solution was that almost everyone else liked but I could never get on with). No flammable components, they're all water based....
  9. Thread: Hi everyone,

    by ps_bond
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    I wasn't looking forwards to more spam...

    I wasn't looking forwards to more spam discussion. Had you identified from post 1 though. I was just waiting to see if I was correct.

    For the record. I look at IP addresses. I take account of...
  10. Thread: Hallmarking

    by ps_bond
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    Short version is every silver item over 7.78g...

    Short version is every silver item over 7.78g (excluding stones) sold in the UK legally needs to have a hallmark; 925 is not. If your pieces are under 7.78g then you can mark them 925 and sell them...
  11. I was just going by the tin label :D

    I was just going by the tin label :D
  12. Strangely, "Spam"...

    Strangely, "Spam"...
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    CAD would do it, but I think I've seen that...

    CAD would do it, but I think I've seen that commercially for far less than custom work would cost.
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    Ah, that post-dates mine slightly - I didn't know...

    Ah, that post-dates mine slightly - I didn't know they had both been bundled into one.
    Sill excellent reference material.
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    This is the flush & bezel setting set, I assume? ...

    This is the flush & bezel setting set, I assume? It's really very good.
    https://newapproachschool.com/products/bezel-flush-setting-with-diamonds-and-fragile-colored-stones
  16. Thread: Copper solder?

    by ps_bond
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    Didn't take you long to show your colours, did it?

    Didn't take you long to show your colours, did it?
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    Plasticine and investment soldering.

    Plasticine and investment soldering.
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    I use pH down (sodium bisulphate, exactly the...

    I use pH down (sodium bisulphate, exactly the same as standard safety pickle) too. I tend to see a bright white after pickling, even cold - perhaps you need more? Warmed is so much faster though. ...
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    I confess I rarely watch Youtube techniques...

    I confess I rarely watch Youtube techniques videos - if I do they're usually sped up as I don't have the patience for rabbiting on (possibly hypocritical given the number of tangents I can introduce...
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    Prior to 1975 rings (not wedding rings) were...

    Prior to 1975 rings (not wedding rings) were exempt. Now, yes - above 1g needs a hallmark.
    https://theassayoffice.com/current-legislation
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    I'd point out this is a forum for jewellery...

    I'd point out this is a forum for jewellery makers. If you've any doubts about it being gold I would suggest you take it to a jeweller for testing, followed by contacting trading standards if it...
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    When you say you've run the oxycon for several...

    When you say you've run the oxycon for several minutes, have you left the O2 tap on the torch open while doing that?
    There's a lot of volume in the line to get through before you get the higher...
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    How simple's simple? I have a Gravograph...

    How simple's simple? I have a Gravograph pantograph machine that I have to confess I never use - I prefer the versatility of hand-engraving lettering. The pantographs are quite mechanical (and need...
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    Far too many shaping & sharpening tools on hand...

    Far too many shaping & sharpening tools on hand for me to justify paying someone else to do it. I'd only feel guilty about it.
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    Funnily enough, I just bought some Xacto-type...

    Funnily enough, I just bought some Xacto-type blades which I'll be grinding to different shapes. Not prepared to buy the "expensive" ones and massacre them :)
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