Here's an interesting estimate of what it could be worth today, using the basic Federal CPI statistics: http://www.bls.gov/data/inflation_calculator.htm $500 for the resistor and $5,664 for the 334A. At 13:12 04/19/2012, Dick wrote: Note that those resistor sold new for around $70 ea. Bet you can't buy one of them used for that now. That issue also had the introduction of the HP 334A THD Analyzer, which sold new for almost $800.... Dick Moore Best Wishes, Marv Gozum, Philadelphia Pa [ sent via Outlook webApp]