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I would have to question why anyone would want to do a dim bulb investigation on an unknown set of 1950 vintage? As the set has been retired for decades, firing it up could do a lot of damage.
Ah yes you may say that it will give the electrolytics a chance to reform. This is the point I have tried to make repeatedly that if you refrain from powering it up and carefully analyse separately and in a controlled manner reform the electrolytic dielectric, there is a good chance they will survive. I have saved at least 80% of the original electrolytics in that way as well as transformers, resistors and tubes destroyed by leaky paper capacitors.
Maybe the dim bulb business could be used on post 1965 sets since by that time paper dielectric capacitors were essentially obsolete. On the otherhand what is the point of powering it up before you have completed at least a good visual evealuation of the set with the chassis pulled?
I welcome other opinions for and against.
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