Quote:
Originally Posted by Electronic M
Some of the early (IIRC wet cell) 'A' batteries were basically car batteries of the time marketed as radio batteries...There were stores that had charging stations for them.
Ever wonder why 6.3V and 12.6 became common heater voltages?....Well they did it so common automotive batteries could power the power hungry filaments/heaters of early tubes.
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I heard many would swap the battery back and forth from their Model-T with their radio at the time!
11-25-2016, 05:45 PM
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