The other two are actual sites with pretty good inventory.
http://www.surplustuff.com/
http://www.agtannenbaum.com/index.html
They should be able to come up with schematics for those specialized items.
: HELLO,
: CAN SOMEONE TELL ME WHERE TO FIND
: THE SCHEMATIC OF "SUPERIOR TV 50 GENOMETER"
: SIGNAL GENERATOR? THANKS