On Sun, 3 Oct 2004 07:41:17 -0700, "Keyboard In The Wilderness"
wrote:

Hey I can buy A batteries, (AA, and AAA), and C batteries -- right
What happened to the B battery ???

They fell out of use after portables requiring a high plate
voltage source were no longer made -- age of the transistor.

I used to have one such radio in the 50s. I believe they pot
out about 90 volts.