[alt-photo] exposure unit

[Christina Anderson]

Has anyone bought one of these and used for alt or gum?
And what is the best URL for a plan to build one's own?  Apparently the plan I hand out to students out of Nadeau's is incomplete, but since I am a building failure, I can't explain why it is incomplete.  I wouldn't know a magnetic ballast from a martini frankly.
Chris


http://www.silkscreeningsupplies.com/site/799934/product/RXP2024

Christina Z. Anderson
christinaZanderson.com