Was it on this group that some one was telling about their counter collection ?
I have a manual for HP 525B Frequency Converter Unit. This is a plug in for the big, tube type HP counter. The manual is free for any one that wants it. Bill K7NOM _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
