During the years when I practiced my electronics hobby, I bought electronic instruments that I needed, if I could afford them. During all these years, a number of occasions occurred to obtain nice second hand professional measuring gear. As a result, I have collected a number of mostly old instruments to use, admire and analyse.
I have a small collection of analogue multimeters using a moving coil meter movement. Then, of course, a lot of valved instruments are on the Valve Veneration page and voltmeters and counters using nixie tubes. Besides valve scopes, I have (or have had on my hands) a number of scopes without valves (well, they do all have a CRT):
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