HP 1660A/AS-Series Logic Analyzer Programming Manual, Used

HP 1660 Logic Analyzers Service Guide, Used

HP Training Kit for 1660/70 Series Logic Analyzers Training Guide, Used

Hewlett-Packard HP 1660 Series Logic Analyzers Service Guide 01660-90901

HP 1660A/AS 100-MHz State/500-MHz Timing Logic Analyzers User's Reference, Used

Original Case IH Operator's Manual For A 1660 Combine From Serial Number...

HP Model 1660A-Series 50/100-MHz State/500-MHz Timing Logic Analyzers, Used

HP Model 1660C-Series Logic Analyzers User's Guide, Used