Links

https://www.radiomuseum.org/r/rca_rc589_54b3.html#

https://www.radiomuseum.org/r/rca_rc589_54b3.html

https://www.antiqueradios.com/forums/viewtopic.php?f=6&t=333994

https://www.rfcafe.com/references/radio-craft/rca-victor-model-54b1-radio-craft-may-1946.htm

https://radioattic.com/item.htm?radio=1650222

http://techlib.com/electronics/b-battery.htm#67volt

https://www.greenhillsgf.com/IndexOwn_63V_BatteryKit.htm

https://www.fashchicmall.com/antique-1940s-rca-victor-model-54b3-portable-tube-radio-6x4x3-untested

https://worldradiohistory.com/hd2/IDX-Service-&-Sales-IDX/Archive-RCA-Service-IDX/IDX/RCA-Victor-Service-Data-1943-1946-Radios-Phonographs-TV-OCR-Page-0040.pdf