"It can't be that outdated a term, when you order solder to make tools, be it tape, sheet, or coil, it is ordered as silver solder."
It has been outdated by progress in metal alloying.
Solder for tool making is indeed real silver solder and is a brazing process.
It is the newer alloys that have made the term less descriptive.
Is 2% silver tin-antimony a 'silver solder'?
It contains silver and is used for soldering.
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