I use cheap digital count down timers from Dollar Tree($1.00 ea). I have one for developing and one for fixing. I preset the times I want for each procedure, then hit the start button, then they beep when they get to zero. These are very convenient.
I use cheap digital count down timers from Dollar Tree($1.00 ea). I have one for developing and one for fixing. I preset the times I want for each procedure, then hit the start button, then they beep when they get to zero. These are very convenient.
Rick A
Argentum aevum
BTW: the big kid in my avatar is my hero, my son, who proudly serves us in the Navy. "SALUTE"