Tested Vintage Nicolet 3091 300 kHz 2 Channel Analog Digital Oscilloscope
Used, see photos. Thanks to the 12-bit resolution it will be more precise than others so you can use it to make precise low frequency AC measurements, think of it as multimeter with an oscilloscope display. Intended mainly for physical, mechanical and biological signals.
Tested works, see photos. Includes a bunch of accessories, manuals, probe, etc.
