HP Time Domain Reflectometry Application Note 62 1964

HP Swept Frequency Techniques Application Note 65

Philips PM3320 , PM 3320A, PM 3340 / HP7475A Plotter Application Note

Third Octave Analysis HP 3582A Application Note 245-3 - Hewlett Packard Manual

Muirhead D-890-B/4 Decade Oscillator Operating Instructions Additional Note

Singer Application Note On Measurement Of Sensitivity Of The Spa-100

HP Calculator Control 8620 Sweep Oscillators Application Note 187-5

Muirhead D-930-C RMS Voltmeter Instruction Manual