Originally Posted by Vaughn
Bill -- those were probably BL's -- just like the blacklight bulbs (BLB), but without the visible light filter built inside the tube (which makes them a bit more expensive than the BL's).
Sounds right, they burn cooler too. Overall, I think it was a low-priced unit but good enough for the photopolymer plates.
Other exposure units in the shop and platemakers had much better point source lights.