[FredM]

Thank you everybody. Living in constant fear of power transformers heating up and short-circuiting, I went with an 80 and the radio is back to life after decades. Using a bucking transformer setup I power all my vintage tube radios at 109VAC, also to save heat in the transformer. As a third measure, I always replace incandescent bulbs with LEDs, in this case of the bayonet bulb variety, from Pinball Life.

Thanks again. A friend's family heirloom and he will be very happy.