RE: Sorry to beat a dying horse, but more questions on lighting and Cyanotypes...

From: Judy Seigel ^lt;>
Date: 12/18/04-06:41:35 PM Z
Message-id: <>

On Fri, 17 Dec 2004, Loris Medici wrote:

> AFAIK, BL tubes (especially the high power ones like 30W, 40W) need
> special ballasts. I use special "electronic" ballasts designed
> specifically for high power UV tuves - one for each tube.

"Regular" blacklight bulbs of 24 inches, also (AFAIK) up to 48 inches,
operate in regular fluorescent fixtures, readymade -- that is, with normal

Received on Sat Dec 18 18:41:54 2004

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