I wish I could. I am going entirely from memory. I think the symbol
may have been enclosed in a circle, like transistor symbols are. I
also think there was a bit more to it than what I drew. there may have
been a short line crossing the central vertical line, or something.
Now that you've said that, chances are high that you're never going to
get a *CORRECT* answer. Lots of guesses, for sure, but no way to know
that any of them are right or wrong.
Without knowing *FOR SURE* what it's supposed to look like, as opposed
to your now-known-to-be possibly faulty/erroneous drawing from memory,
it could be literally ANYTHING, from a block-diagram symbol for
"turbocharged V8 engine" to a loose eyebrow hair that fell on the
original drawing while it was being made and then somehow got propagated
into future copies, to a hobo-cant "Avoid this house - owner has vicious
dog and shoots at hobos" symbol, or an ancient etruscan glyph meaning
"god" - there's simply no way to tell that doesn't involve guessing,
with no ability to verify the guess as right, wrong, or otherwise.
Lack of context is also contributing to making it much more difficult to
pin down what the intended/correct meaning is - were it shown as part of
a circuit, it might be possible to figure out "It has to be the symbol
for a _______ because that's the only component that makes even a little
bit of sense at this position in a circuit like this."
I've got a similar "problem" with a word from chemistry - I remember my
high-school chemistry teacher using a several-syllable word that started
with an "am" sound, which was applied to a class of materials/compounds
(plain old water happens to be one of them) that could be classified as
both acid AND base, depending on the pH of what it was being combined
with - mixed with something strongly acidic, a material to which the
word was applicable would behave as a mild base. Mixed with a strong
base, it would behave as if it were a mild acid. Mixed with material
that was neither acid nor base, it behaved as if it were neither acid
nor base itself. I've searched for literally years to find someone who
can tell me again what that word was, with no luck at all. (Asking the
teacher isn't a viable option, since he managed to find himself
splattered all over several hundred feet of highway and the
grille/hood/windshield of a drunk's pickup not long after I finished his
class)
