Re: AVO Multimeter survey
Okay; a lot of food for thought there.
First of all the picture: it's a NATO Test Set No 1. Essentially a Model 8 Mark II, bit with a 1-3-10 range sequence, no decibels scale, and a metal jacket outside the normal plastic one, with earthing screw at the top. (A nice bit of kit, but changing to a 1-3-10 range sequence AND deleting the dB seems a bit bizarre).
The first four on the list sound like Panclimatic variants of the Model 8 Marks IV, III, IV and II respectively.
The last three "honest" Model 8s are almost certainly Marks III, I and III respectively.
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