Damn, I wish I could find a $50 dollar Homelite 1950's DC generator.Aways away from you but they are out there. Here is a DC one. http://monterey.craigslist.org/atq/5094441658.html
You might want to try the Kohler list
Yes, Lots and lots of interest, Lets talk.I did not realize that people collected this stuff . We were going to restore an old farm house . My heath put an end to that . I have a lot of fixtures, switches,sockets, brackets and the like . I even have old zone thermostats with clocks on them . I would like to get rid of this stuff . Any interest ?