I found the other part of my old fluorescent light in my bathroom
cabinets.It says,PHILIPS.Adapter for PL 7 or PL 9 120 V 12 Watts Made in
U.S.A. B4 Listed UL Adapter E77629 43L2 Pat.Pending Cat # 34888

The whole light assembly is actually three seperate parts.The adapter
with the screw in base part on it slides/connects up to what I assume is
the ballast and the light bulb which plugs into the adapter makes it
three seperate parts.If I happen to see a replacement light bulb at a
local store,I will buy it and see if I can get it all working again for
my bathroom.

I have a bunch of old,old electrical thingys here.One of them is an old
light dimmer.It says on it, Mil-L-12313A Bristol Dynamics,Inc
Dimmer,Lampholder Made in Brooklyn,N.Y.120V 60 Watt
It has a red two position slide switch on the side for Dim Bright.I
think it dates back to the 1950's.I tried it out in one of my table
lamps,but it doesn't work.(maybe that's why it showed up at the Goodwill
store) If I wire brush the crud off of the screw in base,it might work.
cuhulin