In article ,
Andy Wade writes:
The Natural Philosopher wrote:

and their out of spec devices ...

...to clive sinclair.

Funny, I was just about to say that...

A friend of mine bought a ZX80 or XZ81 kit (can't recall which).
The diodes for the power supply bridge rectifier were rejects
because the band was marked on the wrong end, it turned out
after he powered the thing up...

--
Andrew Gabriel