In article ,
Michael A. Terrell wrote:
Late '50s & early '60s. Most of the hybrid car radios used tubes
that operated with +12 VDC on the plates, as well. This eliminated the
problem of bad vibrators.

Yup - and just in time for 'Good Vibrations'...

--
*Sometimes I wake up grumpy; Other times I let him sleep.

Dave Plowman London SW
To e-mail, change noise into sound.