Aluminum brazing

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I last used them about a year ago and they were quite good....

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Father and his close friend were T&D makers, father's cousin was a fabricator and built midget racers (and was totally deaf), one uncle was a aircraft...

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Working a project which can best be described as attaching a bottom to a sauce pan.
6" OD tube, 3.5" long with .142" wall, 6061....

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That puts lead in your pencil.