At 09:05 AM 12/19/96 -0500, you wrote: > The bulbs need to be replaced every few hours? I've been using the > same eraser for YEARS on almost a daily basis and it still works fine! > > I don't have any problem with heat buildup, and I have had very little > problem erasing 16C5x parts with about 45 minutes exposure. I might > be able to go shorter, but I haven't done much experimenting in that > area. 45 minutes to erase a 16C5x part? 2 or 3 minutes (for the _5X_ parts) is to be expected on a reasonable eraser. May be you should be doing some more experimenting or perhaps you do have a problem after all. Jim