Does anyone know how many of its “first family” of frequency standards HP made? That would be the HP-100A (starting in 1943) through HP-100E (ending 1967). Just curious—I have a 100E, made in or after 1961.
Jeremy -- Jeremy Nichols Sent from my iPad 6. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
