While we're on the old GR subject... I have a General Radio 693-A "syncro-clock and amplifiers" that contains a GR model 611 syncro-clock module. I think the oscillator and power supply are separate (and I don't have them). Does anyone have any information on the 693-A? (Copies of a manual would be great!)
I'd like to get it running within a decade, and given the number of projects I have going at once, I should start soon. Don't know if this helps, but there is a decal on that back that says: THIS INSTRUMENT IS LICENSED UNDER PATENTS OF THE AMERICAN TELEPHONE AND TELEGRAPH COMPANY SOLEY FOR UTILIZATION IN RESEARCH, INVESTIGA- TION, MEASUREMENT, TESTING, INTRUC- TION, AND DEVELOPMENT WORK IN PURE AND APPLIED SCIENCE. Stan _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts