[Milsurplus] Need Meter for TV-7DU

[David Stinson]

Bob Camp wrote
(concerning putting back-to-back diodes across a TV-7
  meter movement to protect it):
> What's the resistance of a TV-7 meter  I wonder? It would be a shame to 
> find out it's above 2K ohms and you forgot to put two diodes in series ....

Someone smarter than me ( they's a lot of them)
should answer this question about the best protection to use.
so we all put the right stuff in our machines.