originally posted by SFJoe:
If well stored and not premoxed, a 2000 sec should be great. The 1967 LHL sec is pretty great now from 750, for calibration.
had the '61 LHL demi-sec...really greatoriginally posted by kirk wallace:
originally posted by SFJoe:
If well stored and not premoxed, a 2000 sec should be great. The 1967 LHL sec is pretty great now from 750, for calibration.
the '61 too.