I used leaded solder in the 80’s but dad had it, so it could have been old.
I have used no-lead solder that did not have silver, it seemed harder to use.
I use silver solder in my electronics projects. Better Conductivity!
Yep, I heard use White Bread only.
"ROGUE ELECTRICIAN" Hoping to be around to re-energize the New World.....
Cogito, ergo armatus sum