This is in an old camera actually. There's a spring that is 'charged' by
winding the camera and flips up the viewfinder mirror when taking a
photo. I seems that the loop end has sraightened out. The spring fits
inside an open-ended barrel with a small pin on one side around which
the loop must wrap. Except there's no more loop left.
I'd like to re-bend the end of the spring into a new loop*. But what's
the proper procedure for re-tempering the steel once bent? Keep in mind
that this is rather small part (about 1/8 inch wide) and I din't have
any jewelers brazing equipment. My torch will get the whole thing
glowing red in a fraction of a second. The gas stove might be better.
*The spring isn't timing critical. And there's enough of it so I could
cut a quarter of an inch off and start over if necessary (if I screw
12 years ago