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Tubejunkie, you can sometimes fix these - especially these very large movements that you and I really like ( I have 3 209A's, a 209, an EICO 249 - so far).
I'm curious what "little coil" you're referring to - the actual moving coil?
I have seen movements that measure open from the outside turn out to have either contact corrosion inside or the delicate lead from the terminal lug on the case to the spider that feeds the coil broken.
As earlier posts indicated, it's not for the faint of heart or the shaky of hand, but when there's not much to lose it's pretty rewarding get rehab one of these old beauties.
My 209 is near the front of the queue to be checked out. I may find out I have a similar issue. On these old VTVM's I always check the power transformer and meter movement before proceeding to make sure further efforts are justified. I'll let you know if I discover any other useful information.
Like you, I really like the Hickok equipment and have kind of specialized in it as I have accumulated vintage test equipment. (288X x2, 435 in addition to the above-mentioned VTVM's).
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Chuck K4CCW near Nashville
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