Why are transistors called "Q"?

[Paul Koning]

>>>>> "Tony" == Tony Duell <ard at p850ug1.demon.co.uk> writes:

 >>  "T" was taken (Transformer). That was also a problem when tubes
 >> began being used. I think they use X for tubes, don't they?

 Tony> Normally 'V' Certainly in UK manuals -- we call them 'valves',
 Tony> but HP and Tekky also use 'V'.

Tubes are definitely V, in the USA too.  X is a quartz crystal.

I'm trying to remember where I saw CR for semiconductor diodes....

    paul