On Monday, August 24, 2020 at 11:51:57 AM UTC+1, John Rumm wrote:
On 24/08/2020 09:46, F Murtz wrote:

How could you age a recently hard silver soldered joint in copper so
that it blends in to the old copper and does not look like a new joint?

I don't know, but some of the videos by this chap may answer the question:

https://www.youtube.com/user/PabloCima1978

(well worth a watch - amazingly talented guy)


--
Cheers,

John.

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Factories making cigarettes have very efficient extraction equipment. On the basis that the dust contains some tobacco they weigh it and claim back the tax