On 4 Jan 2006 09:06:03 -0600, bstanton null.com wrote in
::

I have a 1941 Chief with lights on it. [...] Does anyone know
how these were originally powered (Dry cells?)

Thanks for any information.

The information should be in the aircraft's Type Certificate. You
should be able to find it he
http://www.airweb.faa.gov/Regulatory...e?OpenFrameSet