On 21/12/2020 00:58, Dave Plowman (News) wrote:
In article ,
gareth evans wrote:
I remember in the late 1960s, I owned one, only, germanium transistor
which I did not dare solder for fear of causing further migration
of semiconductors into a resistor!

I still have a soldering heatsink I made - a small crock clip with thick
copper wire soldered into the jaws


And at some time, Practical Wireless gave an aluminium tweezer-like
heatsink to clip onto leads whist soldering. I still have mine
somewhere