Hewlett Packard
Hewlett Packard
Catalogs
Manuals
120A / AR Oscilloscope. Serial numbers 101 and above. 1958.
200 Series Resistance Tuned Audio Oscillators.
200CD Wide Range Oscillator. 5 Hz to 600 kHz sine wave output.
200CD Service Notes
330-B audio total harmonic distortion meter with AM detector.
400A Vacuum Tube Voltmeter.
400A-1 Vacuum Tube Voltmeter. .03V to 300V full scale, 3% of full scale 10 cps to 100 KC. 1955 20MB
425A Microvolt-Ammeter. 1958
652A Test Oscillator. 10Hz to 10MHz, 600 ohm and 50 ohm outputs. 1975. 27MB
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