seeking items for a electronics and mechatronics lab.

The title of this post says it all.

I am always seeking things i can use in a lab with students for building and working on electronics or mechatronics. some of the things ( but not all) that im looking for are:


oscilloscopes
signal generators
function generators
frequency analyzers
electronics parts, preferably unused
functioning computer power supplies, mother boards etc
tubes
old lab gear
soldering irons
books magazines etc