HEWLETT PACKARD 8640A SIGNAL GENERATOR OPERATING INFORMATION 08640-90115

HP 606A High-Frequency Signal Generator Illustrated Parts Identification 1964

HP Signal Generator 8640A Section 1-3 Manual 08640-90115 Supplement

Kintel Cohu Model M10A-10 Meter Calibrator Technical Manual 1X-3

HP 8640A Signal Generator Operating and Service Manual December 1972 - See Desc.

HP 8654A Signal Generator Operating Information

Philips Catalog ~ Test and Measuring Instruments Catalogue 1974

Hewlett Packard Signal Generator 8640B Test Equipment User Manual (original)