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My thoughts are: First, verify on the schematic diagram and parts list the exact value of the parts. There were some wax/paper capacitors smaller than .001uF in old equipment, which translates to less than 1000pF of course. If yours are, say 470pF that is the same as .00047, probably rare in wax/paper but possible, and any modern "film" capacitor may work fine.
It will likely not hurt to use modern mica or silver mica capacitors in those locations (or anything under .001uF), if you can get them with the proper voltage rating.
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Chris
Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
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