Hi Pat , if you look in show case under , dwaine , largest seaside collection , I have two of the old green porcelain light shades are those the type your talking about ???
and if so , look in your local phone book for station equipment or station removel ,or if you know anybody that works for your local eleictric company , they used them out in the country at transformer stations to light up the area at night. just talked to a young man from Nebraska he said he might have what your looking for , email him at . =
bdsawyer@inebraska.com . good luck .