We have a lot of 2 vintage 2 way screw in light sockets by Eagle. I believe the plastic portion is Bakelite and the tops are brass. 1 is a bit discolored on one side. I have not tried to use these so do not know if they actually work. There is a bit of wear showing on them.
2 Light Sockets Vintage Bakelite 2 way screw in
$11.95Price