From: Sandy King (sanking@hubcap.clemson.edu)
Date: 09/12/00-09:11:34 PM Z
Bob,
Just wanted to point out the obvious, of which you may already be
aware. If you are printing with a bank of four mercury vapor yard
lights, even at 10 feet from the negative, you don't have a point
source UV. You have a diffuse light system!!
Sandy King
>Sarah et all,
>
>Around here you can buy a mercury vapor "yard light" for about
>$35. It has a large clear bulb and produces a goodly amount of
>UV. Not hard to wire up and the bulb will last a long time.
>I've got a bank of four of them attached to the ceiling of my garage
>about 10 feet from the floor. The exposure times are rather long at
>this distence but I can make really big prints.
>
>Bob Schramm
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