Re: Correct Silver solder
Tektronix in the 50's said the actual correct solder is 60% tin, 37% lead,
and 3% solder. The details are highlighted in this video, made in the 50s
by Tektronix, for soldering to ceramic strips.
Here is the video which covers the procedure in detail:
Maybe 2% would work, but if you're working on restoring a 555, why take the
chance on compromise?
Just me! :-)
Good luck with your project.
On Fri, Nov 1, 2019 at 9:26 PM Richard R. Pope <mechanic_2@...>