Hackers Help: Make tertial work lamp into floor lamp?

light stand

tertial-work-lamp__40088_PE079702_S4

I have a lot of Tertial work lamps left over from graduate school days that I would like to make into floor lamps. You can buy a base for drafting lamps for about $90, but I am looking for a cheaper option as I would like to make several. Thought about using light stands but not sure how to connect the lamp to the stand. Any help would be greatly appreciated.

OLYMPUS DIGITAL CAMERA

Jules Yap